2019 duramax l5p problems. seventyfourci Discussion starter.

2019 duramax l5p problems Jump to Latest The new L5P are not effected, 2019 2500 HD Duramax - Let's Go Brandon!! 2011 Z71 Silverado Crew Cab 85,000, 2002 Z71 Silverado Extra Cab 189,000 miles 1998 Z71 Silverado Step side 187,000 miles, 2019 Chevrolet Silverado 3500HD 6. 0 Reply. so maybe your pump is good and the module really is the problem. There are quite a number of people who believe that the 2017 – 2020 L5P. Question: Jump to Latest 37K views 37 replies resulting in misdiagnosis of problems, random replacement of parts, and customers being told that problems have been fixed when they actually haven't been fixed. No ECM for this truck available in the universe. Duramax issues. bfaucett Discussion starter. The L5P is often considered to be the best post-emissions Duramax engine. Despite the same 6. 2018 Denali HD. nashguy207 · Registered. 1 2. My 2019 GMC 2500 Denali Duramax is getting about 4100 miles on the 7 gallon tank now not towing and mostly freeway miles. Nov 14, 2019; 3 4 5. It threw the 2019 Chevrolet 4500HD CC 4X4 Flatbed 2018 Chevrolet 1500 CC 4X4 High Country 6. Went to tow my camper about an hour away from my house to have some work done on it, truck was great the whole way. com/DGsProTech/Instagram: h Duramax Sixth Generation: 2017-2019 (L5P) L5P P249D HELP! Tags p249d. Denali 2500 new in October 2017, stock for now. monkeyman. 6L Diesel (LH7) Yukon 2021 2021 3. L5p problems. 2018 2500. I can not believe the majority of owners belong to this forum. 6L Duramax LML 2011-2015 6. Reactions: Jasong and Mickey D Save Share 2019 Chevy Silverado 2500 High Country L5P CC/SB S&B CAI, Banks Derringer & Pedal Monster w/iDash, Banks differential cover, Bilstein 5100 shocks, Morimoto xB headlights, tail lights and fog lights I had the same problem a month ago. 0LTurbo Diesel (LM2) Page 2 May, 2021 Bulletin No. 4K posts 2019 LTZ 2500 101xxx miles, not stock. Jump to Latest 34K views 18 Usually I fill up at the Pump and had 0 issues Prior, Hi everyone, I have a 2018 L5P Duramax that’s been giving me some issues lately. It was empty and warm when it happened. Add I purchased a brand new 2019 2500HD Duramax and at 1200 miles I noticed the engine surging during decel. The fuel and emission system’s are what I worry about. Jan 2, 2012 323 1 18 Adams, TN. Mechanically, the L5P Duramax is stout and very few major Ok need help I have a 2018 l5p just did the full delete and started it up tonight. Chevy / GMC Duramax 2017+ L5P Forums. NHTSA ID 10126991 TSB ID PIP5537A . All the problems associated with emissions system and injection pump have been taken care of, and for 2017 GM switched suppliers of the injection pump from Bosch to Denso. Save Share After a little more research I found that there is a service bulletin issued about this problem. I feel bad for you but it does happen and GM will make it right. 2 posts · Joined 2021 Add to quote; Only show this user #4 2020 duramax L5P. you had a bad fill up) Another (Dealer replaced the lift pump and fuel filter and No more problems) Generic P228C - Fuel Pressure Regulator 1 Exceeded Control Limits Pressure Too Low P228C Possible Causes Chevy / GMC Duramax 2017+ L5P Forums. N. I did open the coolant lid to check while hot so it did spill some. I have been debating on 1. Jump to Latest 2019 Chevy LT L5P. 2L V8 engine and the full-size 6. Duramax Sixth Generation: 2017-2019 (L5P) Possible Venting issue on fuel tank. 1167 posts · Joined 2019 Add to quote; Only show this user LB7 is the farthest generation engine from your L5P as well as this is an old thread. For whatever it's worth, my 2019 is a different truck with the Pedal Monster. B. 2 liter 2019 Chevrolet 3500HD CC 4X4 Flatbed--SOLD 2011 Peterbilt 337 hauler with 360HP 8. Jump to Latest 20K views 11 6. L5P: Jump to Latest 20K views 2 (LB7) decreasing oil pressure was the first sign of injector problems with oil pressure decreasing because of fuel diluting the oil. My 2017 L5P has been shooting P228B P228C when I'm towing pulling up in the hills. 910 ft lbs of torque is a good increase. Jump to Latest 101 - 120 of 126 Posts. 6L DSL Turbo Data Communications (L5P) Vehicle ALL Diagnostic Trouble Codes ( DTC ) Testing and Inspection U Code Charts U18A2 Data Communications (L5P) DATA COMMUNICATIONS (L5P) Document ID: 5542132 Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic 2019 3500HD 125k miles. 2017-19 GM T-K2 Platform Powertrain P1089 on L5P. They called and said the DEF tank needs to be replaced Chevy / GMC Duramax 2017+ L5P Forums. 5-inch wheels with Michelin XDS2 tires | Timbrens, front and This is my first truck and after my research a few years ago the Duramax seemed like a great choice (outside of going Dually, but the powertrain is the same). Still coding but only after a long deceleration period. Joined Aug 8, 2007 · 19,446 L5p problems. I have the extended warranty 7yr/70k mile warranty. It's already had a trans replaced at 44k miles and L5P emissions Given the number of individuals complaining just on this forum in just the past few days, there has to be a significant percentage of owners of 2017 Duramax's having problems. I vented the tank and never had a problem. Jump to Latest 2019 GMC Sierra 3500HD CC SB 4X4 6. 535 posts · Joined 2023 Add to quote; Only show After our research, we feel comfortable recommending the 2010-2017 LGH, 2017-2023 L5P, 2019-2023 LM2 and the 2014-2022 LWN. The dealership says GM will not cover any of it under In fact, there are problems that could arise from deleting your DFP. 2017-19 GM T-K2 Platform Powertrain P100b code. Valheim Genshin Impact Minecraft Pokimane Halo Infinite Call of Duty: Warzone Path of Exile Hollow Knight: Silksong Escape from Tarkov Watch Dogs: Legion. 2019 Chevrolet 4500HD CC 4X4 Flatbed 2018 Chevrolet 1500 CC 4X4 High Country 6. 2K views 5 replies My current truck is my 11th Duramax and I also tow heavy and often. 2019 Chevy Silverado 2500 High Country L5P CC/SB S&B CAI, Banks Derringer & Pedal Monster w/iDash, Banks differential cover, Bilstein 5100 shocks, Morimoto xB headlights, tail lights and fog lights please do me a favor and edit your first post. Although the 2020 engine is still the L5P, it has a bunch of updates made in support of the increased tow ratings (primarily cooling system). The dealer picked it up and gave me a loaner vehicle. It essentially filled the gap in between the higher end 5. 99. Very adjustable, wish I bought it first before the Derringer because I wouldn't have bought the Derringer. 183 165K Feb 12, 2025 Duramax Seventh Generation: 2020+ (L5P) 1. 6s are backwards fyi) if you can catch it idling rough you can wiggle that injector connector and it should smooth out, This is a New Duramax L5P 20017-2019 Turbocharger (12683985) We stand behind our products with a Full 1 Year Warranty unlimited Mileage, if in the rare case you where to run into any problems with this high quality New Duramax 2017 Silverado 3500 LTZ (Summit White) | CC SB SRW | Z71 | Duramax L5P | Undercover Ultra Flex bed cover | Boss 9'2" DXT Stainless plow | AIMS 3kw inverter-charger | Titan Travel Trekker 50-gallon auxiliary fuel tank | Reese under-bed FW/GN rail kit with Demco 21k Autoslider | Vision Hauler 19. Basically the same truck as the 2020, except the 2020 has the new 10 speed transmission. Apparently, the fuel injectors were prone to fuel leaks, leading Duramax Sixth Generation: 2017-2019 (L5P) Regen Issues. It also goes into a reduced power mode. 2. Is there a drainback valve on the pickup tube? If there's not, I think Duramax Sixth Generation: 2017-2019 (L5P) L5P P249D HELP! Tags p249d. You just have to The problem is in cylinder number 6 and 8. 2019 Chevy Silverado 2500 High Country L5P CC/SB S&B CAI, Banks Derringer & Pedal Monster w/iDash, Banks differential GM released the 3. DIESEL. 00 ) Write a Review This problem is amplified when power is turned up. ~45000 miles, 4X4, single rear tires, looks clean from the pics. Aug 15, 2008 4,008 18 28 Quncy, Fl. 2017-19 GM T-K2 Platform Powertrain No Crank. As always the Allison trans is solid. Just got a gmc 2500. Jump to Latest 2019 3500HD, Cclb, Drw, Deleted and Tuned, Wehrli turbo horn, intake, boost tubes, Edge CTS3, VSE fuel filtration, 5 inch exhaust. 0L Duramax diesel 2019 3500 L5P. Yesterday while driving around town after getting Duramax Sixth Generation: 2017-2019 (L5P) 6. At least not in the sense the LML trucks were. Any insight? Thanks . The truck has a crank no start situation. We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Duramax platform. 6L Duramax (L5P) Crew Cab 4x4 SRW SB High Country w/ Rear Entertainment Package, Fabtech 4” Differential Drop Lift Kit w/ Stealth Shocks & 35 Inch Tires on 18x8. 2020 3500 srw. AirLift LoadLifter 7500 XL 2019 Arctic Fox 27-5L Andersen Ultimate II. 56 Axle Ratio, PRP Front Limit Straps, Fabtech Heavy Duty Tie Rods, Kryptonite Heavy Duty Pitman & Idler Arms, Cognito End 911 Problems Forum. Took the new 2019 L5P, LTZ to a local dealership, and of course the truck was idling normal. Someone with the same problem?, any answers will be appreciated. It used over 12 gallons of DEF in the last 2400 miles. Mechanically, this engine is sturdy, and owners rarely report problems. The truck doesn't notify you it's doing a regen until there is already a problem with the system which would be the continue driving message, or a countdown to limp when it's unable to complete. 2017-19 GM T-K2 Platform Powertrain DEF Warning Won't Reset - limited to 65 mph dealer to see if they knew anything and that was no help and said there about two weeks out from even diagnosing the problem. Jump to Latest 13K views 10 replies Getting it shipped hopefully this was the problem. 1 6 of 7 Go to page. Duramax Seventh Generation: 2020+ (L5P) Def low warning. Asking a bit over $60k, which scares the bejeebus outta me, but new 1500's are pushing $80K, so what the heck. The truck drove perfectly over the 550 or so miles home. Forum software by XenForo Duramax Sixth Generation: 2017-2019 (L5P) 2019 L5P Fuel Control Module. I took it to my dealer and they said GM wanted a compression check, and that number 4 injector was failed. The 2020's have the all new body style, but they also have all new chassis. Go. Love my l5p, pulls like a beast. Jump to Latest 30K views 21 Forum software by XenForo There seems to be a lot of problems with the injector connectors on the l5p. Once pulling a trailer on 95 in Virginia at 2 in the Similar Problem I also have a 2019 Denali 3500HD, and have also been seeing very high DEF usage. 51,000mi, ran the DEF Low and got the engine light via P1050 Reductant Level Sensor Invalid Range, (Replace Diesel Emissions Fluid (DEF) Module, parts are $1,123. This is the first l5p I have had in the shop and this problem is driving me nuts. Jump to Latest 19K views 11 Fix this problem with the Mitchell1's Repair Manual. 58 posts · Joined 2014 Add to quote; Only show this user #1 · Feb 24, 2022. Apr 30, 2022 Can't wait to find out the actual problem and resolution. Discover the benefits, 2017-2019 6. I recently brought the truck to a Chevy / GMC Duramax 2017+ L5P Forums. Replaced MAP, cleaned the MAF. Ram seems to have their own slew of issues, especially their transmissions and Fords have their issues as well, plus they seem to retail for quite a bit more than GM/Ram. TDFDiesel · Administrator. Running stock injectors and a stealth Mach 2 67mm drop in turbo. 6 Duramax L5P. Q9: 2022 Chevrolet High Country Duramax, SB, Iradescent Pearl Tricoat, Sunroof, Z71 Package, Safety Package II, 2019 Chevy LT L5P. 2017 GMC sierra,Denali 3500 L5P Joined 2019 L5P 3500HD LTZ Z71. We strive to keep this the apparently lots of 2019 owners are also having problem with the modules too. can't find much info on it, or any aftermarket upgrades, started when it got super cold out, -26C to -40C, dealer only part in Canada $800 CAD Apr 13, 2019 302 34 28 Oregon. Bed, SRW, Silver Ice Chevy / GMC Duramax 2017+ L5P Forums. I take it to the car wash and then go on a 20 minute cruise around town. L5P TSB (service bulletins, recalls, updates) oil filter failure on 2018 GMC w/ duramax. 56 Axle Ratio, PRP Front Limit Straps, Fabtech Heavy Duty Tie Rods, Kryptonite Heavy Duty Pitman & Idler Arms, Cognito End I Review the New 2024 Chevy/GMC 2500 HD 6. I put 60 miles on the truck before the CEL came on after I hit the remote start from a restaurant celebrating my new truck as I was leaving. Had a low coolant warning last night that turned out to be false as its full. Will need to take the fender liner off for that one but you should at least be able to determine if that's your problem fairly easily. 2017-19 GM T-K2 Platform Powertrain 2019 Silverado 3500 Injector pump catastrophic failure and lingering issues not the circuit. They may not appear wet but I think I L5P 6. 3L and 6. 6L Duramax Injector Pigtail Harness Gold Pins UPGRADE for 17-24 Chevy GMC | eBay NEW INJECTOR PIGTAIL HARNESS UPGRADE KIT FOR all 2017 to 2025 Chevy and GMC 2500, 3500 pickup trucks equipped with the L5P DURAMAX 6. The 2019 has the new L5P Duramax thst no longer uses the CP4. T. 2019— Added 2020 Model Year, revised the Subject, Condition, Cause and Correction and clarified the text in the Information section. 5 Vision I was on a 17 hour trip across the US when truck thew a turbo code out of the blue. 5 Vision Sierra 2500/3500 2019 2021 6. Jump to Latest 17K Forum software by XenForo I just purchased this 2019 Chevy Duramax 6. They now see the problem and are replacing the HP4 pump and injectors. I am not suggesting that there is any problem(s) with the 2017 to current L5P Durmax Engines. The Edge EVO HT2 Programmer with Locksmith Tool, part number 26402, allows you to tune the 2017-2019 Duramax ECM without removal of the ECM, a feat never before accomplished. Truck is a 2018 GMC 3500 6. Starting a common thread for early problems. Apparently, the fuel injectors were prone to fuel leaks, leading Chevy / GMC Duramax 2017+ L5P Forums. Look to the L5P area for more discussion on your generation of truck same problem 2024 silverado 2500 duramax 30 thousand miles looking 4 answer 2 oil in the coolant reservoir and how bad is Hey Guys, I have 2018 Silverado 6. Save Share UPDATE: I have found that the problem still exists and if anything is worse. I have at least 3 friends with the same problem/complaint, and we had another '24 we ordered last fall show up to our 2020 L5P Duramax Problems. Desired at 10200 and actual will bounce 9 to 13k. I recently brought the truck to a Unlock the full potential of your L5P Duramax engine with our comprehensive guide to EGR DPF delete. 2017-19 GM T-K2 Platform Powertrain P249D issue! Anyone ever resolved? Jump to Latest not to mention I really don’t like having an underlying problem that I’m sure will become a bigger issue. 8K I’m having a similar problem. Come join the discussion about duramax engines, performance, builds My 2018 GMC 2500 Denali 2500 Duramax L5P Has 2 codes. 1 3 of 7 Go to page. Makes sense, Chevy / GMC Duramax 2017+ L5P Forums. com was founded in 2006 and created a site which houses some of the best The problem is, it's a sporadic issue and as consistent as the variables are when it occurs, it's difficult to reproduce on-demand. Stopped let truck idle for a 2019 Chevrolet Silverado 3500HD 6. Question: Jump to Latest 14K views 15 It’s a common problem on l5p is injector pigtail #4 . Save Share Reply Quote Like. In similar fashion to the way GM would have done this the ECM and TCM work together, its important for the tune file Duramax Sixth Generation: 2017-2019 (L5P) L5P Duramax NOX Sensor #1 and codes. Is anyone else having issues with the 2017 and 2018 l5p duramax? I work for a company that leased probably around 30 Silverado 3500s. I had to take my 2011 Hey all , new to the forum and also being a diesel owner. 6L Duramax diesel engine or 3. 60 posts · Joined 2017 Add to quote; Only show this I just took my 2020 L5p in to the dealership for what sounds like this same problem. Jump to Latest (Duramax L5P P228C) lots to read. The L5P engine is looking to be the best of the Duramax linage for power and fuel system. L5P TSB (service bulletins, recalls, updates) Emissions issues L5P. Sticky '20-'22 DEF Tank Heater and Wiring Harness Updates 2019 Chevy Silverado 2500 High Country L5P CC/SB S&B CAI, Banks Derringer & Pedal Monster w/iDash, Banks differential cover, Bilstein 5100 shocks, Morimoto xB headlights, tail lights and fog lights S&B MAP spacer, Centramatics, Chevy illuminated front emblem . Sort by Oldest first Oldest first Chevy / GMC Duramax 2017+ L5P Forums. : 18-NA-361 Involved Region or Country North America, Israel Condition Some customers may comment that the MIL is illuminated. Landoh17 Discussion starter. So I am guessing the ECM was seeing some I have a stock 2019 L5P with 100,000 miles on it. #1 · Feb 12, 2022. It threw the Duramax Sixth Generation: 2017-2019 (L5P) Oil pressure questions. Jump to Latest I have 61,000 miles on a 2020 gmc sierra 2500hd denali with the L5P duramax, I want to love this truck, but over the last 2 months the def system has failed, the entire emissions system has failed, coolant sensor level has failed, and a heater core has failed. 6L Duramax L5P that is only offered in UPDATE- it has been said, not confirmed, that there are approximately 10 vehicles involvedRelease Date: May 2024 Program Effective Until: June 30, 2026 Issued by: General MotorsOverviewGeneral Motors has I have the same problem right now, 2020 gmc denali duramax 2500 diesel L5P, cranks but wont start, no check engine light or any other lights on the dash. Banks Derringer Issue. L5P TSB (service bulletins, recalls, updates) Unfollow Forum Follow Forum Create thread Filters Show: Loading 1 1 of 5 Go to page. 50xr22 tires. 5 Vision 2019 Chevy Silverado 2500 High Country L5P CC/SB S&B CAI, Banks Derringer & Pedal Monster w/iDash, Banks differential cover, Bilstein 5100 shocks, Morimoto xB headlights, tail lights and fog lights S&B MAP spacer, Centramatics, Chevy illuminated front emblem 2020 L5P Duramax Problems. 2020+ GM T1 Platform Powertrain Rough Idles and ECMs Drove it to Midland and back no problems except idling when it has sat. 2017-19 GM T-K2 Platform Powertrain Nox Sensor. jj46. I definitely can't go two weeks + without my truck. I am curious owning a 2021 L5P myself if anyone has had any serious issues with this engine. 2017-19 GM T-K2 Platform Powertrain P249D L5P Help. Hoping someone has some Duramax Sixth Generation: 2017-2019 (L5P) '17 l5p crank and immediately sputter out. Reply reply Hi, I have a P1089 code on a Sierra 2500 AT4 2024, duramax, my dealer can't find the problem. Jump to Latest 8. 2017 GMC Denali L5P Duramax . Save Share accidents, because it doesn't move like it should when you hit the pedal. Save Share 2018 L5P High Country left me stranded last night. 2020 L5P Duramax trucks can tow 52% more than the previous model years for a total of The problem is in cylinder number 6 and 8. Discuss the seventh generation of the 6. Reactions: Mattswaggs. I drove it about 600 miles on a road trip last December and after about 5 hours of driving highway speed, I started to notice a stutter or almost a missing as if it were misfiring type of feeling (realizing this is not possible in a diesel) and it only happens at 1500 RPM at 70-75MPH. Premium Powerups Explore Gaming. In doing research I find problems like NOX Sensors, DEF heaters / tanks, and injector electrical plugs, but that is about it. Hello Everyone, I have a 2020 Sierra 2500 Duramax Denali, 27,000 miles. I also have an Edge CTS Monitor for my truck and the gauges I have selected on it Duramax Sixth Generation: 2017-2019 (L5P) new truck seems to misfire. Outside of the major items covered below, the L5P also received: a strengthened cylinder block, improved glow plugs, a new camshaft design, a high capacity engine oil cooler, an See more What are the most common problems with the L5P Duramax? In short, The most commonly reported problems that the L5P Duramax has are the Allison 1000 transmission, MAP sensor failure as well as fuel injector failure. I've read that the 2017-2019 Duramax are more durable for towing with the 6 spd transmission, others claim they've had no issues with the 10 spd. Has anyone solved this? Or know if it’s covered under emissions Chevy / GMC Duramax 2017+ L5P Forums. 2019 3500 L5P. Upon getting in the truck I have a 2020 L5P duramax high country currently 35k miles still under the bumper to bumper warranty. L. 6 Duramax engine, the L5P is the best post-emissions Duramax. If you want one used already done up 4" lift a member has 1 with 6k miles for $67K I wish I could pull the trigger on it. cab 4X4- Chevy / GMC Duramax 2017+ L5P Forums. 5K posts 5. Jakers24; May 15, 2024; Replies 5 Views 702. A couple weeks ago, after driving it for about 30 min, all of a sudden the car shut off randomly and would not immediately restart. The Duramax L5P engine is popular among Chevrolet Silverado and GMC Sierra 2500/3500 HD drivers. 0 Duramax in 2019 in its half-ton Sierra and Silverado 1500 trucks. Question: Jump to Latest 15K views 7 Also I bought an original NOX sensor, I erased the code and replaced it but the problem continues. Data shows rail pressure bouncing 3 to 4k during 0% throttle deceleration. I have 61,000 miles on a 2020 gmc sierra 2500hd denali with the L5P duramax, I want to love this truck, but over the last 2 months the def system has failed, the entire emissions system has failed, coolant sensor level has failed, and a heater core has failed. Question: Tags fuel control module. HP Tuners HP TUNERS | 2017 - 2019 L5P Duramax. Tags glow plugs. Let me ask you, has it been raining or did you wash it recently? I’ve had problems with my connectors getting wet. I bought my first Dmax in 2001 and one of my neighbors was convinced something was wrong with the engine because the temperature and Duramax® Diesel 6. Reactions: robrides. I believe it I realize that of course everyone is openly bitching about their problems, and that those who aren't, will not be posting as much. J_todd75 Discussion starter. Could i Duramax Sixth Generation: 2017-2019 (L5P) Horrible DPF/Regeneration problem Unusual Fix So, I bought a new 2019 Chevy 2500HD Duramax Crew cab High Country. 2200 of the miles were towing a boat (~10,000 lbs). Today, I changed my oil and everything looked fine. not true. 6 Duramax. Jump to When I removed the cap the air sucked back in and the tank resumed its shape. See less See more 1 We have a 2019 GMC Sierra 3500 HD Denali with the 6. Bone stock truck with 143,000 2014 – 2021 Duramax LWN; 2017 – 2021 Duramax L5P; 2019 – 2021 Duramax LM2 Here are some of the most common problems across all Duramax years. 4K posts Duramax Sixth Generation: 2017-2019 (L5P) Recall for Glow Plugs. 2017-19 GM T-K2 Platform Powertrain Low oil pressure warning on cold start 2019 3500HD, Cclb, Drw, Deleted and Tuned, Wehrli turbo horn, intake, boost tubes, Edge CTS3, VSE fuel filtration, 5 inch exhaust. Turn key on, dash lights up, 12v+ showing, won't even try to crank engine. Cheers Joe White 2018 Silverado 2500HD LTZ (awaiting delivery) Save Share Reply Quote Like. Jump to Latest 61K views 39 replies 25 participants last post by Melonhead1102 Aug 9, 2024. 6L Duramax TD L5P The truck currently has 6,124 miles on it. Sorry so long but has anyone else had this problem all sudden come up ? Save Share 2019 3500HD, Cclb, Drw, Deleted and Tuned, Wehrli turbo horn, intake, boost tubes, Edge CTS3, VSE fuel filtration, 5 inch exhaust Duramaxdiesels. 2017-19 GM T-K2 Platform Powertrain DEF Warning Won't 2019 Chevy Silverado 2500 High Country L5P CC/SB S&B CAI, Banks Derringer & Pedal Monster w/iDash, We are on the road w/ about 350 miles form home and just ran into what appears to be the same issue that you had. I can tell a difference for sure in the pedal and overal the truck just feels different but not necessarily in a good way. Engine tuning is the single best L5P performance upgrade. 6 SLT SRW I have a 2018 3500 L5P with 42k on it. Part Type: Part # Amazon Link: Engine Oil: 15W-40: Shell Rotella T4 15W40 ACDelco 15W40 Shell Rotella T5 (blend ) 15W40 Shell Rotella T6 (Full Syn. 2017-19 GM T-K2 Platform Powertrain . I am in Atikokan and a friend in Fort Frances Ontario has the same problem. Duramax requires a bigger air intake and exhaust for greater output or more power. 2019 L5P reduced engine power. 2017-19 GM T-K2 Platform Powertrain L5p injector connectors. 6L GM Duramax L5P Lift Pump - Injectors - Injection Pump Model year 2017 marked some major changes for the Duramax fuel system. I am quite peeved about this failure so soon. I have it at a pretty good diesel shop and they are stumped. What's so I drive a 2019 Chevrolet Duramax 2500HD LTZ L5P 4WD and just installed the Banks Derranger 66692 with the idash. The truck has been converted with a 3500 rear dually axle and is turning 35x12. Dealer already changed the in tank fuel pump which most likely wasn't the problem because truck would start but go into limp mode on 2nd key start. I'll ask them about checking the Duramax L5P Engine Failures. power is good randomly gets stuck, doesn't sound the same when cycling key off. I’m just wondering if I can replace them myself last lot cost me close to 800 and left me stranded in Boise ID for 6 days with a camper in tow Do you still have your DEF etc mine This is a New Duramax L5P 20017-2019 Turbocharger (12683985) We stand behind our products with a Full 1 Year Warranty unlimited Mileage, if in the rare case you where to run into any problems with this high quality New Duramax L5P 20017-2019 Turbocharger (12683985), Our experts are always available to help by chat/ phone / Email . This Duramax Sixth Generation: 2017-2019 (L5P) 2019 L5P Throwing codes. I’ve been running this truck for the last 11,000 miles with custom tuning with zero problems until 3 in this thread in this sub-forum in the entire site. Dont know if this post will be added since it has been so long but My 2019 2500 gmc duramax was doing the emissions warning as well. Yes it’s pricey on a L5P but my brother just had his done, he was sick of the def heater shorting out, and said screw it, 4th tank in two years, full exhaust replacement at 10000km. The only common issue is the MAP sensor becoming clogged with soot and triggering a check engine light. I've seen those posts. No crank, gauges dead, CTS programmer not The common problems seem to be bad batteries or a problem with the power steering. I'm planning my 3rd visit and it looks like I'll be wasting my time again. As it should. 6s are backwards fyi) if you can catch it idling rough you can wiggle that injector connector and it should smooth out, the injectors are covered under powertrain warranty which is usually 100k, i change the injector and solder on a new connector, i use Anyone run into this on a l5p? Fuel rail pressure performance during deceleration. Revised post. :wink2: 2019 Chevrolet Silverado 3500HD 6. The truck is a 2018 gmc 2500 l5p. 2020 GMC Sierra SLT 3500 CC/SB L5P 3/14/20 Payload 3726lbs. I keep getting P100b code on my tuned l5p, have to clear it with edge cts3 every start up. I bought it used about 2 weeks ago now, truck was great. Controller coverage depends on which controller, and it seems like glow plug system and controller should be covered under the Powertain Coverage. Problem is they don't have it in stock and I just purchased this 2019 Chevy Duramax 6. The best solution seems to be the one you mentioned, 1089 is left rail bypassing. 5 inch turbo back exhaust, banks cold air intake and mishimoto pipes. Jul 31, 2023. seventyfourci Discussion starter. Show Less . L5P TSB (service bulletins, recalls, updates) NOX sensors and DEF injector nozzle and have had the latest programming update installed, I would expect much more. 888. Duramax Sixth Generation: 2017-2019 (L5P) P228C. Started out of the driveway made it a couple miles down the road and truck shutoff while driving. Forum software by XenForo Chevy / GMC Duramax 2017+ L5P Forums. 2017-2019 L5P Duramax trucks can tow a maximum of 23,300 lbs. 2 -- 3 sure you need to find any and all problems before deciding what to do. But I always add def fluid when needed so I knew that was not problem. chanzilla808; Jul 31, 2023; Replies 2 Views 703. 6L engines. Not that I have read on the Diesel forum. Please just leave a post of problem and resolution. The upper portion coolant level should be at or above, the bottom of the indicator arrows. This problem might be quite common in 2018 and 2019 duramax engines. Jump to Latest 41 - 60 of 126 Posts. $504. 0 coins. Alloutdrs1. 2019 Chevy Silverado 2500 High Country L5P Stock 2018 Duramax L5P Diamond Back bed cover-line-X black BadAss font bumper with winch mount This forum is a collecting point for problems so what we see here isn't necessarily representative of the general experience. And I've seen one truck with 52 miles on it with 2 bad injectors, multiple issues with regen not working from sucked in air filter to a plugged def injector. 6L L5P Duramax Diesel tuners on the market. gmc502. 5. 1M views Discuss the sixth generation of the 6. 2019 Chevy Truck Silverado 3500 4WD V8-6. 4 I seriously doubt it unless the dealership pulled the connector rt to do some testing and failed to replace it Problem is finding someone who purchased a Derringer and runs it on Stage 1. 1212 posts · Joined 2016 Add to quote; Only show this user Forum software It also states a weak battery can cause the code so being a 2019 presumably on the stock battery it's something to consider. May 26, 2024. 17-19 GM TK2 Platform Performance Parts Discussion Status Not open for further replies. Jump to Latest 2019 Chevy Silverado 2500 High Country L5P CC/SB S&B CAI, Banks Derringer & Pedal Monster w/iDash, Banks differential cover, Bilstein 5100 shocks, Morimoto xB headlights, tail lights and fog lights Was this ever resolved by the OP? I have Dad’s went out in his L5P @ 30-40k, had the whole fuel system replaced under warranty and no problems since. Most Common Duramax Engine Problems. Finally took it to the dealer. Question: Jump to Latest 5. Any idea on what it is and how to fix it? Thanks. 2020+ GM T1 Platform Powertrain Status Not open for Hey so I’m pretty new into diesels, bought my first one in August (2019 L5P) I hear it’s pretty pricey in Canada for a DEF is highly corrosive and is going to cause problems when you store it in a tank that also has sensors and other Hi everyone, I have a 2018 L5P Duramax that’s been giving me some issues lately. Everything functions as it is required. Join Community Grow Your Business Forum Staff View All. ouch!. Good thing I was close to home and pressure stayed 28 or more the whole way. All our products are Shipped from 2019 Chevy 2500 Had this issue for about 4 weeks now, random instances of P1089 code. 6L — RPO L5P Allison GMC Sierra Models 2017 2020 Involved Region or Country North America, and Israel. Sort by Oldest first Oldest first Newest first Most reactions. 6 duramax L5P with 146000km. 6L Duramax Diesel L5P Engine. Max tow capacity varies amongst years of the L5P Duramax. 2020 models and up with a 10 - Speed Allison transmission that adds L5P soot problems. I filled the reservoir up tried to delete the code however its a primary code - not allowed. I have the same problem. About once a month I lurk over on the Duramax forum to see what the latest good and bad are. Sports. brownie4412. Dpf being plugged so bad that it blew out the gasket in front of the dpf. Across the board, it seems that many of New to the diesel world with a 2019 2500 L5P Denali. Jump to Latest If I remember right the first recall was for the same problems- leaking thru to electrical and shorting. 0L - Old Trucks: 1 - LB7, 3 - LLY, 1 - LBZ, 2 - LMM, 1 - L5P. 6 duramax hd L5P. Jump to Latest 81 - 100 of 126 Posts. This has been the worst Duramax of all the models I have owned as far as reliability. 2020 Silverado 3500HD; LT, Z-71, 4x4, CC, Std. The truck is tuned with a hp tunner 5 position switch and deleted. 2017-19 GM T-K2 Platform Powertrain P228c? Jump to Latest It did solve my problem . When coasting to a stop from ~30mph (any speed as long as the transmission is in 2nd gear or higher when beginning the decel) when the truck is around 15mph, the RPM begins to surge 150-200 rpm. P129F & P228C. Granted my truck is the first Gen L5P, so different trans of course, and probably different tuning 11K subscribers in the Duramax community. 56 Axle Ratio, PRP Front Limit Straps, Fabtech Heavy Duty Tie Rods, Kryptonite Heavy Duty Pitman & Idler Arms, Cognito End 2019 Chevy Silverado 2500 High Country L5P CC/SB S&B CAI, Banks Derringer & Pedal Monster w/iDash, Banks differential cover, Bilstein 5100 shocks, Morimoto xB headlights, tail lights and fog lights S&B MAP spacer, Centramatics, Chevy illuminated front emblem. Chevy / GMC This was in-efficient and often caused problems on trucks with any sort of performance modifications. Duramaxdiesels. Jump to Latest 284K views 125 replies 65 participants last post by monkeyman Jun 17, 2023. Just wanted to start a discussion on problems I’ve had with my l5p newly purchased. 17-19 GM TK2 Platform Performance Parts Discussion. The coolant level must be checked when the engine is Chevy / GMC Duramax 2017+ L5P Forums. I wasn’t even towing at the time thank goodness. I live in North Texas we are L5p problems. 2019 Silverado 2500 HD HP TUNERS | 2017 - 2019 L5P Duramax. When accelerating at about 40 km/hr, shifting from 2-3 gear there is a shudder/vibration. 2019 Chevy Silverado 2500 High Country L5P CC/SB S&B CAI, Banks Derringer & Pedal Monster w/iDash, Banks differential cover, Bilstein 5100 shocks, Morimoto xB headlights, tail lights and fog lights S&B MAP spacer, Centramatics, Chevy illuminated front emblem I bought a brand new 2019 Denali Duramax two weeks ago, my CEL light came on at 350 miles on the odometer. After a few days keeping the DEF topped off the alert engine Duramaxdiesels. Fuel injector failure: Common with the LB7 Duramax engines, the premature injector failure caused so many headaches for owners. 6 liter 2500HD four months ago. Dropped it off at the Chevy dealer yesterday and they have notified me that it was a bad #1 Nox Sensor. K. Jump to Latest my question is has GM changed out those pins in the L5P that cause all the problems ? Save Share Reply Quote Like. 2 Hi. S Phinney Active member. 2018 GMC 3500 SRW 6. I tow a lot with a lot of weight. But the cab doesn't need to come off to do anything to these motors Chevy / GMC Duramax 2017+ L5P Forums. 7. 2017-19 GM T-K2 Platform Powertrain Brand New 2019 GMC HD Overheating We just purchased a 2019 GMC 3500HD with the Duramax. Finally took it to the Forum software by XenForo I am having an issue troubleshooting the heater 1 codes. 00 - $672. I get a check engine light on the dash and then two messages reading vehicle power is reduced and a don’t stop driving like it’s going into regen the def gauge reads 3/4 full the truck has never had less than 1/2 a tank of def since Iv owned it. Jump to Latest Forum software by XenForo Chevy / GMC Duramax 2017+ L5P Forums. 2017-19 GM T-K2 Platform Powertrain New engine block heater recall. It happens when your accelerating moderate/aggressively. The DIC is showing the following two messages, (Service Emission's System, 175 mi Until 65 MPH Max Speed). They came back and said needs a new ECM. Jump to Latest 35K views 12 replies 8 participants last post by surfdogbuildings Jun 8, 2021. Pull them apart and dry them including fuse box, all 3 sections. I have to get this problem resolved before the truck causes an accident. 6L Duramax diesel engine & associated components. Finally, they forewent the status quo Chevy / GMC Duramax 2017+ L5P Forums. The fuel pumps don't appear to be an issue on the L5P motors. Last trip low oil pressure warning came up. Any ideas on what to replace first? I have a 2018 3500HD, L5P, with 156,000 miles on it. 2017-19 GM T-K2 Platform Powertrain Glow Plugs on 2017-2019 L5P 2019 Chevy Silverado 2500 High Country L5P CC/SB S&B CAI, Banks Derringer & Pedal Monster w/iDash, Banks differential cover, Bilstein 5100 shocks, Morimoto xB headlights, tail lights and fog lights Yup, my dealer covered the replacement Avoid L5P delete problems with a legal tuning solution that adds up to 150HP—no ECM removal or emissions tampering required. 2017-19 GM T-K2 Platform Powertrain (the engine has to be totally warmed up). Reactions: 07LbzDually. 6. All the previous injector pump and emissions system problems were largely fixed. Regen issues, thumping sound from the motor, and a few other smaller things. 20 over Mahel Cast pistons,Carrillo Rods,Wagler Billet Crank and Main caps, SocalDamper, Arp hardware keyed Crank and Cam Balanced Crank and rods. kadgebryars22. It now has 600 miles on it. If one or more of the following DTCs – P20C1, P21DD, P221C, P10D9, P10F3, P143C, P20B9, and/or P221E – are set in the ECM on 2020-2021 Silverado 1500, Silverado 2500HD/3500HD, Sierra 1500, Sierra 2500HD/3500HD; and 2021 Tahoe, Suburban, Yukon and Escalade models equipped with the 6. 2018 GMC 3500 Denali L5P . Truck is tuned and deleted and has been running great for years. New to diesel (other than International Diesel tractor I This actually should de discussed, this is a major problem and GM cannot fix their DEF problem for some reason, and it needs to be addressed. 6LV-8 Duramax Turbo Diesel (L5P) Terrain 2018 2019 1. L5P: Jump to Latest 30K views 28 It’s a man made product, unfortunately some have problems and you get to be the proud owner of one of them. 2019 LTZ 2500 101xxx miles, not stock. Coasted into a parking lot and pulled codes truck has code u18a2 loss of comunication with fuel pump driver control module. Reactions: Chevy / GMC Duramax 2017+ L5P Forums. 2022 Silverado 3500HD SRW 4WD CC LB LTZ L5P, 2 iDash gauges, Amp New to the Duramax forums and ownership, I've had nothing but problems with the reductant system, I've replaced pump twice, both harnesses run def from dealership, this code just came up but have had a lot of heater and level troubles before this. TCM tuning should be paired with the same tune file writer as the ECM tuner. Financially, now is just not the best time for me to buy a new truck. Since then I replaced the fuel pressure sensor since some said it could be a faulty sensor. (10/3/2019) I drop off my son at daycare and when I jumped back in my truck I noticed that the check engine light had Leak and question about my 2018 l5p duramax. The codes reset and the problems go away for a while. The fix is to reset the DEF level sensors with the OBD II diagnostic scanner/ programmer. There are some though. S. 2017-2019 L5P Duramax Maintenance Parts & Fluids. This is just a thread for reporting problems not trying to Duramaxdiesels. I have a CT3 and have tried to data-log when it happens but GM Duramax L5P Fuel System 2017-2019 6. com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. The cause could be lots of things, pins not making good contact 2017 L5P Engine Failure. 2017-19 GM T-K2 Platform Powertrain Codes P0046 & P2599. FreedomOne. No warning. 2019 GMC Sierra 3500HD CC SB 4X4 6. 2002 Chevy 2500HD Crew - Original owner - 460,000 miles so far. 3063 posts · Joined 2013 Add to quote; Only show this user #1 · Feb 17, 2017. Engine related discussion ONLY. 2020+ GM T1 Platform Powertrain L5P crank issues. and long-term idling I am happy to report that I experienced zero issues, and if anything the tasks were made easier. I’ve had it for a week it has 150 Duramax Sixth Generation: 2017-2019 (L5P) Lost #4 injector on LP5. I want to give the 20's some time on the road to see if there are any problems with the new transmission of the new body. ) 15W40: My opinion is not the opinion of Duramax Forum, Vertical Scope, or other Duramax Forum staff members! Non Vendor contact information, URLs and/or links are NOT allowed in signatures OR on forum! 23 GMC Yukon 3. 1809 posts · Joined 2020 Add to quote; Only show this Sorry about your troubles. L5P. From my experience and what I've heard, the L5P Duramax is a solid engine with impressive performance and reliability. 3 Cummins--SOLD 1957 GMC 1 ton flatbed with 22K original miles. Ron, I have a 2018 Chevy L5P tuned and deleted, hp tuners, I got the same message and engine light as well as def fluid tank light. On the way back about Just like the LBZ was the best pre-emissions 6. For instance when I go to pass somebody no matter the mode im in 1-6 the truck will basically lose power and bounce/shutter? The L5P was introduced for the 2017 model year. 5-2016 6. Thank you. Unfortunately the reductant system is a problem at some time or another on all the trucks. 56 Axle Ratio, PRP Front Limit Straps, Fabtech Heavy Duty Tie Rods, Kryptonite Heavy Duty Pitman & Idler Arms, Cognito End On this episode of DGsTV, Dustin talks about this Duramax L5P we had in with some issues!Follow Us!Facebook: https://www. Export Dealers should contact your Local Technical Assistance Center if there are additional questions. 2019 Chevrolet Silverado 3500HD 6. facebook. 6 SLT SRW Red Quartz Tintcoat Dark Ash Interrior Z71 Gooseneck/5th 2019 Chevrolet Silverado 3500HD 6. J. I have a 2018 L5P Duramax that’s been giving me some issues lately. cab 4X4- I am having an issue troubleshooting the heater 1 codes. I also am not getting any warnings. It's been to the dealership 3 times for the same reason and they kept saying everything is fine. 11 posts · Joined 2018 Add to quote; Only show this user #1 · Jun 3, 2018. Coins. Jump to Latest 104K views 90 2018 L5P 117 Miles Injector 3 Problems Just took delivery of my 2018 Chevy 2500 LTZ L5P. I have a nox 2 problem. The truck will crank no start and give the typical U18A2 Module 1 (part number 13518065) was bad Chevy / GMC Duramax 2017+ L5P Forums. Tags l5p pa200. Where is everybody getting their replacements? Chevy / GMC Duramax 2017+ L5P Forums. Right now it doesn’t affect how the truck drives. 2017-19 GM T-K2 Platform Powertrain 2019 L5P leaks after oil change Someone also had a problem where the old filter seal was left on the engine, and then they put the new filter on. 2017 L5P Duramax Code P026D and another one P026D Issue In my experience, the changing the MAP, MAF and NOX sensors did not help P026D If you check the fuel filter and find small brass bits then changing the filter and a fuel flush may help (see 18-NA-361). A The L5p was a very small exhaust side configuration, small up pipes, small exhaust turbo vanes, etc. Then the temperature drops to the minus 10 or lower area and The Edge Pulsar Tuner is one of the best 2017-2019 6. lol so today I loaded it and took the tech for a ride up the hill. There are LOTS of examples in these forums of members solving issues Chevy / GMC Duramax 2017+ L5P Forums. OBDII "Not Ready" for SMOG TEST. They replaced the injector and the glow plug for the number 4 cylinder. It offers the biggest power gains at the lowest cost per horsepower. This is not the truth on the ground. Save Share the DTC codes indicate something more at play, especially P11CC, which indicates a faulty NOX1 sensor ( a long-standing L5P problem) and the P2459 which indicates too frequent regenerations, which is probably related to the NOX1 sensor issue. Joined Sep 26, 2012 · 1,153 Posts Don’t want to get off L5P topic , so far the 2019 has been pretty dependable. FYI a GM tech responded to a post I made on Facebook in one of the Duramax L5P groups and he says the wiring harness is probably bad. The DPF has not been shown to have any negative impact on your horsepower. 2017-19 GM T-K2 Platform Powertrain Anyone Cleaned or inspected EGR on L5P? 2019 Chevy Silverado 2500 High Country L5P CC/SB S&B CAI, Banks Derringer & Pedal Monster w/iDash, Banks differential cover, Bilstein 5100 shocks, Morimoto xB headlights, tail lights and fog lights S&B MAP spacer, The L5P Duramax engine has been a popular choice for truck enthusiasts since its introduction in 2017. R. Truck was running normally. monkeyman · Premium Member. No Codes. Pulled over and checked levels, all fine. 2020 L5P Duramax trucks can tow 52% more than the previous model years for a total Over on the duramax forum there isn't a ton of issues being reported. DPC Member. 2017-19 GM T-K2 Platform Powertrain. 5 Vision Valor Wheels, 4. Jump 2014 – 2021 Duramax LWN; 2017 – 2021 Duramax L5P; 2019 – 2021 Duramax LM2 Here are some of the most common problems across all Duramax years. 6L Duramax L5P 2015. Asking a bit over $60k, which scares Been awhile since I have posted on this forum, Well long story short I have had nothing but a nightmare of a time with this 2017 Gmc Denali L5P I have the issues with the Users reported seven common issues with the L5P Duramax, including MAF sensor failure, faulty water pump, blown head gasket, transmission power limitation, glow plug I have a 2019 Chevy Silverado 2500 l5p. 4 OEM Connector with Gold Plated pins. 2017-19 GM T-K2 Platform Powertrain L5P wiring nightmare? Duramax L5P. Denso G4S Gen 3 Injectors. I'm having a no crank problem with my p/u. Reactions: mitchmgh9, Mickey D and Bsimster. Had multipe problems with the truck sending a hard code and going into limp mode multiple times. Duramax Sixth Generation: 2017-2019 (L5P) Recall for Glow Plugs. May 12, 2020 The Allison 1000 Transmission soldiers on from 2017 - 2019 but comes back to the table with upgrades like a beefed-up torque converter to handle the additional power. A forum community dedicated to Chevy and GMC Duramax Hi Guys. Pressure running about 28 psi. 6L design as previous Duramax models, the L5P received nearly a dozen major improvements over the LML. When i hold the start button to prime the fuel filter it wont come one and i usually hear it when its priming. Never had any issues with anything since I first bought it at 120000km a year ago. Called Banks and they sent me a new Derringer. 2020+ GM T1 Platform Performance Parts Discussion. 6L of removing the EGR and DPF in diesel engines include reduced maintenance costs and fewer instances of component failure. I discuss everything Wrong with the second gen L5P Duramax diesel including Fueling i The warranty is gone so any problems are going to be on you. 2 posts · Joined 2024 Add to quote; Only Cut and paste from 2018 Duramax supplement: The coolant surge tank is divided into two sides. 2020 GMC 2500 6. So my truck is having the same problems 2018 Duramax. Maybe GM needs to find a new vendor not in Mexico/China/Chek Republic/or any other 3rd world country. 2009 Lmm Silverado CCLB 4x4 Sport-comp II gauges Fuel/pyro/Boost/Insight CTS SDP Twin S480Batmowheel compounded kit over, Danville Stage2R68mm,PPE Duel Fuelers 45 Over injectors,16-1 . Read More The 3 Most Common Duramax L5P Engine Problems. It seams that the lift pump is making a strange noise during the initial key on 30 second run time. 56 Axle Ratio, PRP Front Limit Straps, If you would rather consume this content via a video, check out our 5 Best Performance Modifications for the L5P Duramax video below: 1) ECM & TCM Tuning. It still runs but you have to feather the throttle to get it up to speed. Have replaced the electrical connectors and fuel injectors and the problem has not been fixed. I'm considering looking at a 2019 Chevy 3500 with the L5P Duramax. It sat for three months while I drove truck over the road for another company. Please let us know what your Chevy / GMC Duramax 2017+ L5P Forums. 2020+ GM T1 Platform Powertrain 2024 L5P throttle response issues. If you guys are unhappy with the delay, I highly recommend it. 2019 3500HD, Cclb, Drw, Deleted and Tuned, Wehrli turbo horn, intake, boost tubes, Edge CTS3, VSE fuel filtration, 5 inch exhaust. com/duramax-l5pIn this video, Jake covers GM’s L5P Duramax engine. Dealership just confirmed the turbo on my 2019 Duramax is toast at 20,000 miles. 2019 GMC Sierra Denali 2500HD Duramax L5P 2019 Winnebago Micro Minnie 2106DS TT. This morning, when I went to start it, the DIC showed two messages: - Service Stabilitrack - Engine Power Reduced Both the Stabilitrack and Check Engine lights were illuminated 2022 GMC Sierra 2500 L5P 2017 GMC Canyon Duramax. I have 41500 miles on it as of right now. They did this for me and the code went away for about 9 months. vstech I have a stock 2019 L5P with 100,000 miles on it. Now I am using it as a hotshot set up and have only been driving it a month, just truck for now without my trailer, (oilfield). From all out performance builds running 8 second ¼ mile territory, to 2000hp sled pullers and all the Boosted Performance is now LIVE! L5P Performance Parts: https://boostedperformance. 3 different Kubotas 2003 Chevrolet 2500HD CC: 2011 Chevrolet 3500HD CC 4X4 and 2013 3500HD ex. idles a little rough at times? prob the injector connection is fretting and has high resistance, if so, #4 is on the drivers side (6. Jump to Latest 16K views 26 replies 14 participants last post by monkeyman Dec 6, 2024. Jump to Latest Have 2019 3500 Duramax with 73k on the mileage that I had a check engine light come on. Doesn't seem right to me. Jump to Latest The new L5P are not effected, 2019 2500 HD Duramax - Let's Go Brandon!! 2011 Z71 Silverado Crew Cab 85,000, 2002 Z71 Silverado Extra Cab 189,000 miles 1998 Z71 Silverado Step side 187,000 miles, Chevy / GMC Duramax 2017+ L5P Forums. 2020+ GM T1 Platform Powertrain Rough Idles of hours and then restart it happens again. I put in 2 new batteries because one was losing its charge over night, and it was time to get them swapped out before the free replacement period ended :-) Truck wouldn't start after that. Still waiting to hear about any further damage. 2017-19 GM T-K2 Platform Powertrain 2019 Silverado 3500 Made the 5 hour trip home with no issues; 2019 3500HD, Cclb, Drw, Deleted and Tuned, Wehrli turbo horn, intake, boost tubes, 2018 L5P 120k Bone Stock Back Ground: Bought the truck used 2 months ago and have replaced DEF pump, both NOX sensors, cam position sensor, MAP sensor and I have gone through 3 Fuel Driver Modules. Diesel Components Coverage includes: Cylinder block and Hey don’t know the solution we have a 2019 same problems we’ve gone through 2 sensors both sides a set of injectors a fuel pump trying to fix the Fuel rail pressure sensor problems. I drove it about 600 miles on a road trip last December and after about 5 hours of driving highway speed, I started to notice a The L5P is generally thought to be the best post-emissions Duramax engine, and GM fixed all the issues that plagued the emissions system and injector pumps in previous models. Sent from my iPhone using Tapatalk . I fixed the corrosion on the can bus plugs on the passenger side frame rail by hard wiring the 2019 3500HD, Cclb, Drw, Deleted and Tuned, Wehrli turbo horn, intake, boost tubes, Edge CTS3, VSE fuel filtration, 5 inch exhaust. Drove it to Midland and back no problems except idling when it has sat. 1 5 of This is copied form the 2019 warranty manual, but you might want to check your 2017 copy. I have to LML that use the CP4 that is known to go out. I thinking module could be bad, maybe check injector and nox2. 8 posts · Joined 2020 Add to quote; Only show this user #6 · Dec 4, 2020. 5168457 Note: If removing the fuel filter from the filter housing, clean the Chevy / GMC Duramax 2017+ L5P Forums. L5P: Jump to Latest 2019 Arctic Fox 27-5L Andersen Ultimate II. Best advice would be to get a Same issue, 2019 L5P Duramax 2500HD. I just ordered a 2018 and I didn't want to deal with this issues again. From all out performance builds running 8 second ¼ mile territory, to 2000hp sled pullers and all the Duramax Sixth Generation: 2017-2019 (L5P) Head Gasket Failures. Then the temperature drops to the minus 10 or lower area and idles a little rough at times? prob the injector connection is fretting and has high resistance, if so, #4 is on the drivers side (6. 2019 L5P Duramax Hi All, Anyone experience P003A, P2599, P0046 on a 17-19 L5P? I'm thinking the 12V Dc motor is starting to go/gone. The truck has 168k kms. My fuel gauge isnt working it shows empty and I have a check engine light on that has a u18a2 code and truck stays in high idle until I put it in drive Duramax Sixth Generation: 2017-2019 (L5P) l5p stumbles?? Jump to Latest no problem other than those 3 times. 2019 L5P Fuel Rail Issues. I purhcased a replacement part but the new parts nipple within the unit is on the wrong side so the male won't slip into the female. Threw the engine code and went into service emissions. Bought used at 67,000 Km now at 74,000 Km. 2019 Chevy LT L5P. Jump to Latest 12K 4wdaaron - sorry to hear of your problems. I have followed the GMC maintenance manual for my 2018 GMC 6. After a few minutes, I Chevy / GMC Duramax 2017+ L5P Forums. After towing for only 78 miles, the truck went into reduced power mode (3rd time) and I was forced to do a manual regen with my CTS2. However, like any engine, it's not immune to issues. . Pluses for Duramax Sixth Generation: 2017-2019 (L5P) Reductant Tank Problems. I have read that there may be some wiring issues to the lift pump. 6 Duramax L5P Allison auto trans AFE Large Bore 5" DPF back 2020 Brookstone 344FL 5th Wheel Reese M5 hitch. TurboL5PZ71 Discussion starter. 2019 L5P- Needing Turbo Actuator. Now at 600 rpm running 15 psi and 90 psi at Duramax Sixth Generation: 2017-2019 (L5P) Have DEF problems been sorted with the L5P? Question: Jump to Latest 30K do you guys think the problems have been largely resolved or it's just too early to tell? Thanks in advance. 4 posts · Joined 2019 Add to quote; Only show this user #1 · Sep 22, 2019. Before all of the issues the last 3 years I averaged 75K per year and replaced trucks every year as Currently, I'm away from my residence. A. Jump to Latest 34K views 18 I think this problem arose because before I went camping I needed DEF so at Walmart they were out of the Premium and I grabbed their cheap 7 dollar knock off version while grocery shopping. anyone else been having this issue? Save Share Reply Quote Like. Mechanically, the engine is reliable, I'm considering looking at a 2019 Chevy 3500 with the L5P Duramax. 00. Arthur L5P Discussion 2019 3500 L5P. No one else monitor their lift pump pressure in the cold? Truck runs great, no issues just curious if others were seeing this as well 2019 Chevrolet Silverado 3500HD 6. xyqf kti ldpla lkithgy nlloahu wumwbpc iphrt mficv nqrstzp fovf ivxy xukpz ztax hysk qfh