Duramax l5p forum.

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 1, 2022 · The L5P Duramax Will Never Be Tuned. Period. On September 24, 2017, a statement was issued on a Duramax discussion forum which made the bold claim that the L5P Duramax ECM would never be tuned, and the security protocols were so advanced, even the NSA would not be able to tackle the job. The post went into further detail about the security ... Chevy / GMC Duramax 2017+ L5P Forums. 2017-19 GM T-K2 Platform Powertrain. L5P Warranty. Jump to Latest Follow 13K ... Chevy and GMC Duramax Diesel Forum. 3.8M posts 208.2K members Since 2005 ...Chevy / GMC Duramax 2017+ L5P Forums. 2017-19 GM T-K2 Platform Powertrain ... Chevy and GMC Duramax Diesel Forum. 3.8M posts 208.6K members Since 2005 A forum ...Forum Castleford Tigers. TOPICS 4441. POSTS 71417. VIEWS 8.67Million Last post by RLFANS News Hound Sat May 04, 2024 7:49 pm: Catalans Dragons. TOPICS …

The transmission will shift normally up to the gear you have selected in Manual. In other words, if in M5 it will shift normally up to 5th gear and not go into 6th. They tell us to never use 6th while towing heavy. Keep the RPMs between 1800 and 2400 and it will stay the coolest, with around 2200 being the best.Jun 18, 2019 · L. Lp5duramaxtow Discussion starter. 48 posts · Joined 2016. #1 ·Jun 18, 2019. Hey guys and gals! 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 dash and radio freezing and Just turning off completely...

8839 posts · Joined 2011. #2 · Jan 31, 2019 (Edited) Factory installs one on L5P. Venturi Jet Drain Oil Separator. • First of its type in the new Duramax 6.6L. • Designed to ensure oil control in sustained full-load operation. • Totally sealed system that collects misted oil entrained in the blow-by gas, allowing. for re-use in the engine.

To fit a 35" tire you will need to come up 3.5" and do minor trimming of the plastic front valance. You can do a level lift like Rough Country and Super Lift and turn up the keys and 35s will clear provided you don't go to negative on offset. I don't recommend a leveling kit or cranking the keys because it will ride like a fat girl on a moped.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. Edge 26402 EvoHT2 with ECM Unlock Tool for 2017-2019 GM L5P Duramax The market and our competition didn't think it was possible, but here it is. Edge Products is excited to announce GM L5P Duramax diesel flash tuning with In-Vehicle ECM unlocking capabilities.To fit a 35" tire you will need to come up 3.5" and do minor trimming of the plastic front valance. You can do a level lift like Rough Country and Super Lift and turn up the keys and 35s will clear provided you don't go to negative on offset. I don't recommend a leveling kit or cranking the keys because it will ride like a fat girl on a moped.Chevy / GMC Duramax 2017+ L5P Forums. 2017-19 GM T-K2 Platform Powertrain 2017 3500hd CEL code P133c. 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 ...

Chevy / GMC Duramax 2017+ L5P Forums. 2017-19 GM T-K2 Platform Powertrain. P0073 2017 2500HD 140,000miles. Jump to Latest Follow 4K ... Chevy and GMC Duramax Diesel Forum. 3.8M posts 208.6K members Since 2005 ...

2021 GMC 3500 SLE 27k miles. Not sure I should feel happy it was under warranty but originally took the truck into GMC dealer for what sounded like a boost leak. No codes, no other symptoms other than using 7 gallons of DEF in 2800 miles. Which seems excessive for not towing. Hold the brake add trottle and can hear loud hiss.

Duramax L5P Engine Failures. I am not suggesting that there is any problem (s) with the 2017 to current L5P Durmax Engines. I am curious owning a 2021 L5P myself if anyone has had any serious issues with this engine. In doing research I find problems like NOX Sensors, DEF heaters / tanks, and injector electrical plugs, but that is about it.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.MC_Diesel Discussion starter. 124 posts · Joined 2013. #1 · Oct 3, 2016. Looks like GM is upping the ante once again. The MY17 L5P Duramax reported to have 445 hp and 910 lb-ft. :surprise: 2019 3500 SRW Mega Limited HO Cummins/Aisin:grin2: Sold: 2013 2500 Mega Laramie Longhorn :thumbsup: Share. Like.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 ...Dec 31, 2023 · 2021 GMC 3500 SLE 27k miles. Not sure I should feel happy it was under warranty but originally took the truck into GMC dealer for what sounded like a boost leak. No codes, no other symptoms other than using 7 gallons of DEF in 2800 miles. Which seems excessive for not towing. Hold the brake add trottle and can hear loud hiss. Oct 22, 2021 · 4158 posts · Joined 2019. #8 · Oct 22, 2021. Congrats on the new truck! Best of luck with it. Tim. 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 ... 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.

2602 posts · Joined 2008. #4 · Mar 12, 2017. In my opinion, A lot of engineering went into the new PCV system. I would leave it alone on the new l5P. On a LML or LMM, yes it may benefit you to make a change. 2017 L5P CCLB DRW LBZ. 2015 LML sold. 2014 LML sold. 2005 LLY sold.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 …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.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 transmission will shift normally up to the gear you have selected in Manual. In other words, if in M5 it will shift normally up to 5th gear and not go into 6th. They tell us to never use 6th while towing heavy. Keep the RPMs between 1800 and 2400 and it will stay the coolest, with around 2200 being the best.I'm running a basically stock 2500HD with a L5P; fuel economy and towing muscle were important priorities when I bought this rig. I did upgrade cold air intact with a s/b box and I run a B5 diesel blend and Stanadyne Performance routinely. My mixed around town/hwy (75/25 mix) driving mpg avg is 13.5 but if I drive like grandma I can take that ...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 ...

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.Jul 20, 2021 · LML to L5P isn't as big of an improvement in the technology of the motor, so it would have been a little more difficult to justify, in my opinion. "Aut viam inveniam aut faciam". Derek. "Daddy Shark" 2017 GMC Sierra 2500 Denali, Crew Cab Short Box, 122k Miles. "Big Red" 2008 Chevy Silverado 2500HD Ext Cab Long Box, 262k miles (GONE) blythkd1.

I have a 2017 L5P 2500 that won't start (I know) because the lift pump isnt turning on. I"m not sure what relay 1 or 2 is for the lift pump but all fuses seem to be fine and I have bench tested relay 1 and it seems to be fine. I'm gonna add also that the fuel gauge isn't working either. I don't seem to be getting a keyed 12v to the relay either ...Aug 12, 2022 · Postings of Tech Service info for any New L5P engine issues. 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 have ...Mar 5, 2021 · 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 transmission will shift normally up to the gear you have selected in Manual. In other words, if in M5 it will shift normally up to 5th gear and not go into 6th. They tell us to never use 6th while towing heavy. Keep the RPMs between 1800 and 2400 and it will stay the coolest, with around 2200 being the best.The connector is starting to go bad, and it's right now, an intermittent failure. Heat and vibration will kill it sooner than later. Replacement connector kit is available from AcDelco. Stay clear of the ones on Amazon. PN is PT3739. 06 LBZ 2500 350,000mi 09 LMM 3500 Cutaway 700,000mi 22 L5P 3500 DRW.2021 GMC 3500 SLE 27k miles. Not sure I should feel happy it was under warranty but originally took the truck into GMC dealer for what sounded like a boost leak. No codes, no other symptoms other than using 7 gallons of DEF in 2800 miles. Which seems excessive for not towing. Hold the brake add trottle and can hear loud hiss.304 posts · Joined 2011. #21 · Apr 3, 2021. When I had the oil changed by the gmc dealer (first oil change was free) they used full synthetic oil and a delco filter. The service manager said they only use full synthetic oil in all duramax engines, regardless of generation. 2010 LMM 2500 Sold, 2020 L5P 2500 Sold.

Chevy / GMC Duramax 2017+ L5P Forums. 17-19 GM TK2 Platform Performance Parts Discussion. Duramax tuner L5P tuning package. Jump to Latest Follow 6K ... Chevy and GMC Duramax Diesel Forum. 3.8M posts 208.4K members

304 posts · Joined 2011. #21 · Apr 3, 2021. When I had the oil changed by the gmc dealer (first oil change was free) they used full synthetic oil and a delco filter. The service manager said they only use full synthetic oil in all duramax engines, regardless of generation. 2010 LMM 2500 Sold, 2020 L5P 2500 Sold.

Duramax L5P Engine Problems. MAP Sensor Failure. Allison 1000 Transmission. Fuel Injector Failure (#4 Injector) Finding 3 problems with the L5P was difficult. While these engines are still relatively new, they seem to be extremely reliable so far with very few “common” problems that haven’t been solved or addressed.In today’s digital age, building brand authority and trust is crucial for any business seeking to succeed in their marketing efforts. Forums offer a unique space where users active...I simply went from stock tire size (265/70R18 = 32.6 inches) to a ~ 35 inch tire size (285/75R18 = 34.8 inches). Fuel Mileage (average) Stock Tire Size - 15 mpg city & 18 mpg highway. 35 Inch Tires - 11 mpg city & 14 mpg highway. 35 Inch Tires & 4:30 Axle Ratio - 13 mpg city & 16 mpg highway.Mar 12, 2024 · The diesel exhaust system on 2017-2018 Silverado and Sierra models and 2019-2020 Silverado 2500/3500 and Sierra 2500/3500 models equipped with the 6.6L Duramax diesel engine (RPO L5P) (Fig. 1) requires an occasional Diesel Particulate Filter (DPF) cleaning. Under normal driving conditions, the DPF cleaning occurs without any driving involvement. 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.DaPlumber Discussion starter. 29 posts · Joined 2023. #1 · Jan 6, 2024 (Edited) This post is for knowledge of the updated L5P and its emissions system. 2024 2500. 2800 miles. IDash. Soot levels rose 30% today driving 65mph Over 25 miles. I’ve done 2 regents this week over 500 miles. 1/3 highway driving 2/3 around town and …Looking at the Banks Video of the L5P tear down - it's much different than the LML on the Exhaust side of the turbo housing - the stock Down pipe looks like a cannister. Here is a Pic of the L5P rear of the Engine - Look at the Turbo Hotside, then go google LML Stock Downpipe - you will see the difference. With Diesel Performance being a good ...Chevy / GMC Duramax 2017+ L5P Forums. 2017-19 GM T-K2 Platform Powertrain. Anyone happy with their L5P. Jump to Latest Follow. 127K views 224 replies …Extend your LM2 Duramax's transmission's life and increase your fuel economy with PPEI's T93 Transmission tuning! A MUST for tuned trucks with 2017 2023 GM L5P Duramax …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.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.Just upgraded to the L5P. Discuss the seventh generation of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.

Just upgraded to the L5P. Discuss the seventh generation of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.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 …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 ...Instagram:https://instagram. new homes in douglasville gajacqueline e mathewshibbett murfreesboro tngarage sales lititz pa Aug 12, 2020 · I would never consider a LML after owning a L5P. $1500 to delete a Cummins or LML. $7,000 to delete an L5P. $3,000 to convert from a CP4 to CP3 on the LML. $700+ to level the GMC/Chevy compared to $100 to level the Ram. Personally, I would never consider long-term ownership of a modern diesel with emissions intact. goodwill york rdtaylor orlowski baden Sep 17, 2018 · Not a single issue until 4/04/2021. 7812 miles, had been driven 150 that day, 20 miles from home, check engine light, derate & shut-down in seconds. Lotsa white smoke. Dealer replaced fuel pump, still no start, no fuel pressure, lift pump working perfectly. Maybe $77,000 isn't enough to get one to 10,000 miles. hkd stock price prediction 2025 If you are set on different filtration you need to get a take off adapter, lines and a remote filter mount (and kiss the warranty goodbye). Previous Duramax's were 13/16 thread and the filter base diameters were also different (larger). 06 LBZ 2500 350,000mi 09 LMM 3500 Cutaway 700,000mi 22 L5P 3500 DRW. All currently on road.Regular maintenance needs to be documented at required intervals and you need to replace all external parts as needed but good piece of mind on internal failure. Truth is if you change the fluids as required to keep the warranty most would never need to use it anyway. 2017 L5P 2500hd LT 4X4 CC/LB.HELP (Code P2ADA) 2017 L5P. After 153K miles my faithful Duramax gave me the infamous emissions service countdown. I went to my local GMC dealership for a diagnostic check, and they said the reduction tank heater was not working and suggested replacing the Emission Reduction Fluid Supply Pump Module, part number 84545446.