L5p stumble It sets no codes at all in any module that we see and has no other noticeable drivability concerns. I know that there are a few different threads started with turbo issues, and I'll throw a link in here to those threads, along with any other links/threads that might Jan 27, 2019 · 2019 Chevrolet Silverado 3500HD 6. Around 1/3 throttle the truck will start stumbling/stalling most notably in 4th gear. It feels like the engine loses fuel for a second causing deceleration Jul 25, 2024 · Find out the most common L5P Duramax problems, including emissions issues and fuel system failures, and learn how to fix or prevent them. The issue has occurred half a dozen times and the truck only has 1,800 miles on it. 6L L5P turbo-diesel Duramax engine. Please feel free to share pictures, stories, maintenance tips, suggested mods, and especially anything specific to the Duramax L5P. It always happens in 3rd or 4th gear under light acceleration. They seem to have Oct 7, 2018 · We have a new 2018 Chevy 3500 DRW duramax with 1000 miles on it. My 2018 3500HD had a recall for Fuel Injector Calibration Update (Nov 14, 2018) Reprogram engine control module with updated software calibrations. 0 Diesel LM2 engine. Oct 28, 2024 · Having a new issue with my truck since I swapped back from a S464 to a S472. It only Oct 12, 2017 · A number of new to gm diesel owners have asked about the L5P cold weather starting ability. Its so fast Feb 12, 2019 · The service writer acknowledge the stumble problem, said GMC was working on it. Once the issue started I changed fuel filters and filled the tank up to rule those out. Recently I had the head gaskets done and egr delete with new pipes and no block plates. Dealer hasn't heard this or had the symptom occur while the vehicle is in their possession. Has good power once the initial stumble is overcome, will not act up unless cruising speed has been achieved… May 26, 2023 · How reliable is the Duramax L5P engine? Read common engine problems and reliability issues with the 6. We have a 2020 GMC with a 3. It has 1800 miles on it. If stumbled across the GM web article about the L5P engine. 5 Vision Valor Wheels, 4. while getting on the freeway at 35-45 mph relatively light acceleration truck stumbles I cant tell if its engine or trans caused. Jan 24, 2017 · New 3500 Denali bought new about 2 months ago. Then after a good hill climb with a good load it now squeals when I accelerate. Its so fast Oct 26, 2018 · Well unfortunately I have the known “chuggling” issue on my 2019 L5P Duramax. Its so fast May 3, 2023 · I am having this same issue, and after installing new plugs, wires, and injectors, the issue has definitely gotten better but still has a slight stumble during slow/ low load accelerations. I recall than when the LML was introduced, they bragged about how the LML's it's starting ability in zero F weather. I had it back to the shop and they can’t find it yet. The stock transmission is incapable of handling `up to 500whp and if you want to `add to that and push to say Jul 25, 2024 · Find out the most common L5P Duramax problems, including emissions issues and fuel system failures, and learn how to fix or prevent them. Jun 29, 2024 · 2 posts · Joined 2022 Add to quote #1 · Apr 25, 2022 2020 duramax l5p ring when accelerating on and off. This truck will stumble when accelerating from a stop intermittently, sometimes stalling and other times recovering and driving normally. Though situation for both of us. 56 Axle Ratio, PRP Front Limit Straps, Fabtech Heavy Duty Tie Rods, Kryptonite Heavy Duty Pitman & Idler Arms, Cognito End Welcome, I created this sub for all of us L5P owners out there. The new 2018 seems to intermittently when driving and pushing on the accelerator to intermittently hesitate like it is Mar 5, 2022 · l5p Duramax problems (2017,2018,2019,2020 and 2021 years) Allison 1000 Power Transmission Issues in the Duramax L5P Though this can’t be listed as an actual problem on this engine, the transmission `will struggle somewhat if you want to make modifications `for `additional horsepower. 2020 l5p ring/squeak Share Reply Quote Like 10 Feb 10, 2017 · Different members have stated that they're interested in how the L5P will work out for me (reliabity, issues, emissions, etc). Kind of feels like it runs out of fuel or it doesn't know what gear to be in. . We have 3 other Chevy 3500’s also A 2011, 2015, and 2017 they are not duallys with no problem like this one. Dec 14, 2017 · Symptoms are this stumble, pulsation in steering wheel and pedals, and a noise behind the left side of dash similar to dragging a wooden spoon over a washboard or a stretched out spring. 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. When I first got the truck back, there was no noise. Apr 6, 2017 · New 3500 Denali bought new about 2 months ago. I figured this engine has been out for 4 years now and since it is quite different in some ways than any other Duramax, we needed our own place. May 3, 2018 · The service writer acknowledge the stumble problem, said GMC was working on it. Jul 26, 2021 · Hey guys. I've logged a little bit so far with May 2, 2018 · New 3500 Denali bought new about 2 months ago. jgqjrqiazwclfqghvktswlbjvjbcjrcogtluosapyhuxtxkubkcnqyuwvtzhrffhumlkwfx