Duramax l5p forum.

The CTS2 also has a throttle position indication. It would be interesting to watch a comparison for those experiencing the dead pedal versus ours that accelerate like a rocket the relationship between throttle pressure and boost. This would troubleshoot if it is the sensor or a performance issue with the engine.2020 L5P Duramax Problems. 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. The dealership says GM will not cover any of it under ...Mar 26, 2024 · I recently got a '17 L5P, ~83,000 miles. Let me preface by saying I have owned 12 diesels, (4) Powerstrokes, (2) Duramaxes, (5) Cummins and a Ecodiesel. I am not new to them. I struggle to get more then 15-15.5 mpg in this truck and its driving me nuts. Dash MPG's aren't even remotely close except for the 400+ mile range which is about 1 mpg high. 1 1 of 12 12. Discuss the sixth generation of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.And now GM is moving to encryption of canbus data in an effort to stop hacking of any onboard modules. However when GM ditched the LML's piezoelectric injectors for the Denso solenoid injectors, they actually made controlling the L5P hardware with an older ECM much easier. No need for swapping or modifying the heads to use old style injectors.

From my experience and what I've heard, the L5P Duramax is a solid engine with impressive performance and reliability. However, like any engine, it's not immune to issues. A few peoples have reported problems with the emissions systems, particularly the DPF and SCR system. Additionally, occasional issues with injectors and fuel systems …

1058 posts · Joined 2016. #6 · Sep 1, 2022. never looked but did change two today from top as it was hot out, two 10 mm bolts on cover remove hot pipe and bungie to side, pop off fuel lines using Lisle Kit, 37000 and cover will pop off leaving injector connectors, did not feel like removing fender well and wheel and climbing in! a little ...

JonM21Ltz. 1809 posts · Joined 2021. #7 · Jan 8, 2024. RamNavy said: I just purchased an Edge CTS3 to monitor my 2022 Chevy 3500HD L5p Duramax. And, of course, Edge does not provide a listing of PIDS or their definition (and the online definitions embedded on the device are threadbare.) For those who monitor their engines with …83 posts · Joined 2018. #4 · Jul 2, 2019. You are pulling way to much weight for your truck. The L5p was a very small exhaust side configuration, small up pipes, small exhaust turbo vanes, etc. So I am guessing the ECM was seeing some very high EGT’s and cut power to keep from melting pistons. Like.Oct 18, 2019 · 2018 GMC l5p ccsb stone blue metallic. Mcgaughy's 2" drop shackles. Truxedo tonneau cover. 20% tint. ... Chevy and GMC Duramax Diesel Forum. 3.8M posts 208.4K members ... Code u18a2 l5p. Started out of the driveway made it a couple miles down the road and truck shutoff while driving. Coasted into a parking lot and pulled codes truck has code u18a2 loss of comunication with fuel pump driver control module. The truck is a 2018 gmc 2500 l5p. The truck has a crank no start situation.2018 l5p no start. 2018 chevrolet 4 door cab and chassis. truck will run for 35 seconds then shut off. After replacing the HP4 truck ran good for about 10-15 miles then it just died out and wouldnt start back up. let it sit over night come back the next morning and it will fire right up and run for about 35 seconds. the HP4 was replaced due to ...

Chevy / GMC Duramax 2017+ L5P Forums. 17-19 GM TK2 Platform Performance Parts Discussion 2019 Denali HD. Jump to ... 2020 Sierra AT4 3500 Duramax 2018 Denali 2500HD L5P Derringer equipped 2018 Montana 3811MS Legacy 16400#2900pin. Save Share. Like. codivm Discussion starter

8843 posts · Joined 2011. #4 · Jun 6, 2022. fwiw, the OTA 'update' option on the audio is for the infotainment system, not for powertrain stuff. 2023 LZO CC std box 4x4. previous: 2021 LM2 CC std box 4x4 ; '18 2500 L5P CCSB 4x4; '11 LML, '10 LMM and 04.5 LLY. _Kegger_ and cfell. Share.

Feb 28, 2022 · His dealer actually encouraged him to do it, while they had a lineup of L5P waiting for a tank. I wanna stress this, my brother did not want to do this, unfortunately the constant downtime, parts availability, and repairs made him do thanks to GM. It’s the very first diesel he has owned that he had to delete. I will not tell you what’s ... In today’s digital age, discussion forum websites have become an integral part of online communities. These platforms provide a space for individuals to connect, share ideas, and e...I recently got a '17 L5P, ~83,000 miles. Let me preface by saying I have owned 12 diesels, (4) Powerstrokes, (2) Duramaxes, (5) Cummins and a Ecodiesel. I am not new to them. I struggle to get more then 15-15.5 mpg in this truck and its driving me nuts. Dash MPG's aren't even remotely close except for the 400+ mile range which is about 1 mpg high.How It's Made: The Duramax Diesel Engine said: There are a number of things that make the DMAX facility different from other GM engine plants. The most significant is that it hot-tests 100 percent of the engines it produces. That means every 6.6L engine is run on a dyno before it ever goes in a truck.L5P | DuramaxDiesels.com. Forums. Duramax 6.6 Technical. Duramax Hard Parts. 1. 2. 3. Next. Filters. O. glow plugs. oldwhitehorse. Mar 31, 2024. Replies. 2. Views. 88. Mar 31, 2024. oldwhitehorse. O. 0. Code readers for 2024 L5P. 08lmm72mm. Mar 21, 2024. Replies. 16. Views. 255. Mar 26, 2024. NC-smokinlmm. 2024 Duramax issues? NC-smokinlmm.

P0206, P0306. I have a 2018 3500 with L5P. I took it in for recall on the regeneration interval and engine block heater. Two weeks later it threw nitrogen oxide sensor warning. i ordered part and kept driving. then it went into engine power reduced check emmisions. apparently it wont regenerate when check engine light is on. paid to …Chevy / GMC Duramax 2017+ L5P Forums. L5P TSB (service bulletins, recalls, updates) ... but there is an RV hauling person on this forum with 200,000+ miles on a 2017 L5P Duramax and have only experienced minor repairs to date. Due to your situation being so rare, ...Sounds very familiar to my complete Injector failure at 5700 miles on my 2018 3500 L5P that happened yesterday. Take it to get checked out before you get stranded. 2003 Chevy HD2500 Long Bed LB7 Allison 1000 all stock. 2018 DENALI 3500 SRW Long Bed L5P 2" Level, Bilstein shocks, 18" TOYO AT2 285's on stock wheels.#1. I have a stock 2019 L5P with 100,000 miles on it. I drove it about 600 miles on a road trip last December and after about 5 hours of driving highway speed, I …L5P Oil Pressure issue. 2019 3500HD 125k miles. I tow a lot with a lot of weight. Last trip low oil pressure warning came up. Pressure running about 28 psi. Pulled over and checked levels, all fine. Good thing I was close to home and pressure stayed 28 or more the whole way. Now at 600 rpm running 15 psi and 90 psi at 3k rpm.Standard: KG4 Alternator, 150 amps. Optional: KW5 Alternator, 220 amps. ----- Included with (VYU) Snow Plow Prep Package when ordered with gas or diesel engines. Optional: KHB Alternators, dual, 150 amps and 220 amps each. ----- Requires (L5P) Duramax 6.6L Turbo-Diesel V8 engine. Alternator output isn't just a voltage regulator.

2 posts · Joined 2020. #1 · May 31, 2022. I have a 2017 Duramax L5P 3500 and I tow a large 5th wheel. The truck has the standard 150-amp alternator (GM 84143531). (1) Can I swap it out with the GM 220-amp alternator (GM 84143541) with not problems? Will I need to upgrade any of the wiring? I think the single alternator will be the easiest ...1 1 of 12 12. Discuss the sixth generation of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.

Lift Recommendations. I have had my 2019 Chevy LTZ for 7 months now and it’s almost time to put my summer rims on. I moved up to this truck from an 2014 GMC SLT 2500HD. With that truck I cranked the torsion keys to level it, ran shock extenders with cognito upper control arms and the Pisk kit. My tires are 295/55/20 on fuel 20x10 rims with ...L5P fuel filter failure. After being down for weeks I finally took off on another haul yesterday and almost made it 100 miles. Pulled over and shut the truck off. Came back out and all it would do is crank. No start. Tried a few things that didn’t work then dropped the new GM fuel filter for a look.The 2015 Chevrolet 2500HD powered by a Duramax 6.6-liter turbo-diesel V8 engine offers a towing capacity of 17,900 pounds, while the model featuring a gasoline-fueled Vortec 6.0-li...Keep it L5P Related. Please keep it l5p related, share any knowledge you have with the group, if you own or looking at buying an l5p you are more than welcome to join us. 2. Be kind and courteous. We're all in this together to create a welcoming environment. Let's treat everyone with respect. Healthy debates are natural, but kindness is required.Sep 23, 2023 · 2024 L5P throttle response issues. I just bought a 2024 GMC 2500HD AT4 w/ Duramax. When leaving a stop light there is a slight shutter on acceleration. Is This normal? Also when coming to a stop slowing to a slow roll (about 5-10 mph) I step on the accelerator and the truck takes a solid 5-10 seconds to start responding. 2024 L5P throttle response issues. I just bought a 2024 GMC 2500HD AT4 w/ Duramax. When leaving a stop light there is a slight shutter on acceleration. Is This normal? Also when coming to a stop slowing to a slow roll (about 5-10 mph) I step on the accelerator and the truck takes a solid 5-10 seconds to start responding.Part# 2017 L5P Fuel Injection Pump Drive Gear? My truck is in for the full Monty (injectors, injector pump, rails, etc) on the fuel system. I am hearing that the fuel injector pump drive gear is on nationwide, indefinite back order. I think the part number is 12634114, but some of the online fitment guides say that is not correct for a 2017 and ...

2 posts · Joined 2020. #1 · May 31, 2022. I have a 2017 Duramax L5P 3500 and I tow a large 5th wheel. The truck has the standard 150-amp alternator (GM 84143531). (1) Can I swap it out with the GM 220-amp alternator (GM 84143541) with not problems? Will I need to upgrade any of the wiring? I think the single alternator will be the easiest ...

The chart below shows general L5P Duramax maintenance and service intervals. Please keep in mind your situation may call for more frequent maintenance than what is listed below. Heavy towing or driving in extreme conditions requires more frequent maintenance. When you change your oil, check components like your air filter to make sure they are ...

If you are a fan of collecting or trading virtual items, you may have come across the term “MM2 values” in various online forums or platforms. One of the primary factors influencin...May 10, 2017 · Go take a look at a Duramax Forum, its scary. Just on the first page. Major growing pains. Never be the launch customer for any new product, always wait for 2nd generation. 2017 l5p blown turbo gasket Engine light Ticking Noise Near Engine/Transmission L5p problems 2017 Tranny Issues Oil Leak L5P transmission temps high vs 2015 lml Your Allison came with Dex-IV in it from GM, Dex-IV is a synthetic and a very good fluid. Doing a double drain is a waste of money personally. Change it to your fluid of choice and change it again 25k later. If you're going to deviate from Dex-IV pick and TES 668 fluid and sleep happy. It doesn't matter.The L5P has almost a second faster 0-60 time than the same LML on paper. As I said, I had a 13 LML stock, and now have a 18 L5P, both were bought brand new, and the L5P is much quicker!! Not even close! The LML is 397/765 in power, the L5P is 445/910.Colorado. Jun 30, 2022. #1. My 2021 L5P Duramax has been consuming oil since we started towing with it at about 2,500 miles on the odometer. The consumption wasn't regular and was as little as 1 quart in 6,000 miles and as much as 1 quart in 1,300 miles, all consumption is while towing. I wrote the consumption off to "a hard working …P0206, P0306. I have a 2018 3500 with L5P. I took it in for recall on the regeneration interval and engine block heater. Two weeks later it threw nitrogen oxide sensor warning. i ordered part and kept driving. then it went into engine power reduced check emmisions. apparently it wont regenerate when check engine light is on. paid to …2017 Chevy 3500HD SRW 4x4 CCSB L5P 2002 Chevy 2500HD 4x4 CCSB LB7 2.5 Turbo, ATS dual CP3's, Crower rods, SoCal stage2 heads, ... Chevy and GMC Duramax Diesel Forum. ... 208.2K members Since 2005 A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion …Looking for some help, 2017 High Country 136k miles. randomly got the service exhaust fuel system warning accompanied by the engine power reduced warning. I scanned the truck and had about 16 codes all ending with circuit high voltage. no check engine light before that message. My fuel level now is pegged on E with no low fuel light. I have the ...166 posts · Joined 2021. #5 · Sep 26, 2021. I just got the 2022 Duramax 6.6 diesel and drove 500 miles with her, its a monster all right but drives like a dream. 2022 2500HD Denali, iDash, PedalMonster, Banks Diff Cover, Banks CAI, Xpel/Ceramic. edktm and Elchilero53.The L5P is flat out a better built motor! Go do your research! The L5P has new heads on it that flow much better and a new fuel injection system but the main engine is mainly the same. Main and oil cooling were increased to deal with the extra power. It is a great engine, most Duramax are but it is let down by choking emissions and warranty issues.

We obviously know the benefits from days long ago where deletes were common practice. Collectively, we know understand and acknowledge the legality, or lack thereof, of such modifications to the current engines, specifically the L5P. That being said, computers rule the world now. Although heavily encrypted, it seems as though they …I just took delivery on a 2500 L5P. My Supplement recommends Top Tier Diesel which is almost impossible to find nationwide and if Top Tier is not available "GM recommends the use of ACDelco Diesel Fuel Conditioner" GM naturally does not recommend other aftermarket additives. My prior diesel ownership was a 2011 VW Touareg with the 3.0L TDI.Chevy / GMC Duramax 2017+ L5P Forums. 2020+ GM T1 Platform Powertrain. Sensor cleaning. Jump to Latest Follow 31K views 32 ...Instagram:https://instagram. bars open till 2 a.m.mclean chiropractic rehab and massage centerfaux stone shed skirtingfood giant aberdeen ms And now GM is moving to encryption of canbus data in an effort to stop hacking of any onboard modules. However when GM ditched the LML's piezoelectric injectors for the Denso solenoid injectors, they actually made controlling the L5P hardware with an older ECM much easier. No need for swapping or modifying the heads to use old style injectors. life touch couponsbenefits of quitting zyn 83 posts · Joined 2018. #4 · Jul 2, 2019. You are pulling way to much weight for your truck. The L5p was a very small exhaust side configuration, small up pipes, small exhaust turbo vanes, etc. So I am guessing the ECM was seeing some very high EGT’s and cut power to keep from melting pistons. Like.Lubrication Description. Engine lubrication is supplied by a gear type oil pump assembly. The pump is mounted on the front of the engine block and driven by the oil pump drive gear on the crankshaft. The pump gears rotate and draw oil from the oil pan sump through a pick-up screen and pipe. The oil is pressurized as it passes through the … how to change draw length on a compound bow Oct 14, 2019 · according to the capacity charts on gm-techlink the oil capacity has been 10 qts. on both 2019/2020 even though the filters changed. The filter on the 2019 L5D is the smaller filter just like the 2020 L5P and it takes 10 qts. as well. I have used 10 qts. on all my dmaxs and they all showed full-- just sayin". 19947 posts · Joined 2012. #4 · Aug 17, 2020. Over on the duramax forum there isn't a ton of issues being reported. There are some though. Regen issues, thumping sound from the motor, and a few other smaller things. The fuel pumps don't appear to be an issue on the L5P motors. At least not in the sense the LML trucks were.Chevy / GMC Duramax 11-16 LML Forums. 11-16 LML Duramax Powertrain Delete LML or New L5P. Jump to Latest ... 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 ...