No major, recurring issues with the first generation of L5P trucks. Duramax Seventh Generation: 2020+ (L5P). 1K members Join group About Discussion More About Discussion About this group Private Only members can see whos in the group and what they post. 6L L5P Duramax Performance Upgrades. A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Dmax Performance Parts and related discussions. At the time of its release for ’17 model year Chevy Silverado and GMC Sierra HDs, the L5P Duramax belted out a class-leading 445hp, along with an impressive 910 lb-ft of torque at just 1,600 rpm. Motor shuts off during idoling 2021 Duramex. The L5P motor seams to be one of the most reliable Duramaxs I have owned. L5P Duramax Injectors (2017+). Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and. Went back in to the dealer before I even left the lot and saw the service advisor and the diesel. We have a complete 2018 duramax truck as donor. 2017 L5P OBDII code B2aaa???. Any known Duramax L5P issues to be considered SaltyDog Dork 1/31/22 6:45 p. Please just leave a post of problem and resolution. 7 with the 900 ft pounds but you figure the new L5P was built to put out more power then ever before. The L5P Duramax posts some pretty impressive numbers without any help from the aftermarket. Visible Anyone can find this group. Chevy and GMC Duramax Diesel Forum. L5P Duramax Power / Cummins Diesel Forum Home Forums General Forums General Diesel Discussion Mays Cummins of the Month is now open for entries! CUMMINS SWAP VEHICLES ONLY L5P Duramax Power 11443 Views 15 Replies 13 Participants Last post by Mikey-KE7LBB , Oct 10, 2016 MC_Diesel Discussion Starter · Oct 3, 2016. Chevy / GMC Duramax 2017+ L5P Forums 2017-19 GM T-K2 Platform Powertrain L5p problems 262948 Views 122 Replies 64 Participants Last post by Boxer1200 , May 15, 2021 bfaucett Discussion Starter · Feb 16, 2017 Starting a common thread for early problems. 6 Technical Duramax Hard Parts L5P 1 2 3 Next C Capt. Chevy and GMC Duramax Diesel Forum. Dmax Performance Parts and related discussions. Forums GM Diesel Engines Duramax Seventh Generation: 2020+ (L5P) Fuel Lubricity additive 31968 Views 46 Replies 20 Participants Last post by Mikey52 , Jul 1, 2022 P popee1 Discussion Starter · Feb 24, 2020 (Edited by Moderator) I use Stanadyne Lubricity Formula in my LMM engine fuel. Duramax Engine Forum iRV2. LML L5P Transfer Case / Axles / Driveshafts Tech Van Part #s Turbo Talk General Fuel System & Exhaust Questions Fluids and Maintenance The Pharmacy Threads 13. com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. I picked up my 2020 Denali 2500 hd duramax this week and noticed a loud knocking at idle which increases in volume as the engine warms up. They are work horses dont treat it like a 1/2 ton work it will last and get the job done fairly easy. One of the most common is the coolant tank sensor going bad. Cracking The Uncrackable L5P Duramax. Forums GM Diesel Engines Duramax Sixth Generation: 2017-2019 (L5P) Filters 1 2 3 … 12 Next L5P: What did you do to your L5P today? callie454 Mar 25, 2017 3 4 5 84 47K Mar 6, 2023 by Mickey_D Info: Loose Intercooler/Intake Clamps Lgowens2 Sep 17, 2017 5 16K Oct 30, 2018 by Nick93 Info: DEF Shelf Life & Fluid Quality OkDually Aug 27, 2017 0 12K. Duramax Sixth Generation: 2017-2019 (L5P) Discuss the sixth generation. 2 fuel injection pump and various improvements made to the block, pistons, and other internals, the engine itself is extremely capable and reliable. Page 1 of 4 1 2 3 4 > Threads in Forum : Duramax Engine Forum Forum Tools Page 1 of 4 1 2 3 4. This turbocharged diesel V8 enables a maximum. I love the truck, power, comfort, and features are all outstanding. The l5p seems to have a problem with them Dm23 Member. 2020 l5p duramax knock at idle cold, worse hot :confused: Hi everyone. The 2024 Chevy Silverado HD Duramax Diesel Engine Take Rate A large majority of Silverado HD buyers choose the 6. Chevy / GMC Duramax 2017+ L5P Forums L5P TSB (service bulletins,. 2020 L5P towing fuel mileage. 1 day ago · The 2024 Chevy Silverado HD Duramax Diesel Engine Take Rate A large majority of Silverado HD buyers choose the 6. On vehicles equipped with a L5P engine, theECM will not try to perform a regeneration until the DPFSoot Accumulation increases to approximately 100%. Some guys buy these trucks as a daily driver and never work them and may not know how to maintain them. A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. com Google Click Here to Login Files. 2017 L5P OBDII code B2aaa??? Like. Anyone happy with their L5P. The L5P Duramax posts some pretty impressive numbers without any help from the aftermarket. Forums Duramax 6. The swap wont start until late fall. Forums GM Diesel Engines Duramax Seventh Generation: 2020+ (L5P) Filters 1 2 3 Next Question: What did you do to your L5P today? OkDually Mar 8, 2020 2 39 18K Apr 28, 2023 by dad311 L5P Photo Sharing Thread OkDually Jul 29, 2021 9 6K Mar 17, 2023 by SelectAV My last Chevrolet Oregonnovaguy Jul 22, 2022 6 3K May 3, 2023 by Mitroll D. 6 Technical Duramax Hard Parts L5P Dm23 Member Mar 8, 2019 210 6 18 Feb 16, 2022 #1 A buddies injector went out and is being quoted $300 for the injector and $880 in labor, is it me or does that seem like a high price jut for one injector? I thought replacing all injectors would be around $1200 at least for my LML. 6L L5P V8 Duramax engine produces 445 horsepower and 910 pound-feet of torque in the 2022 model year Silverado HD and Sierra HD. Chevy and GMC Duramax Diesel Forum. 7 with the 900 ft pounds but you figure the new L5P was built to put out more power then ever before. We have a complete 2018 duramax truck as donor. 2020 l5p duramax knock at idle cold, worse hot :confused: Hi everyone. Asking a bit over $60k, which scares the bejeebus outta me, but new 1500s are pushing $80K, so what the heck. Duramax Engine Forum iRV2. Duramax L5P Engine Failures. Core returns required - $150 charge if no core returned. The engine is pretty much completely new and puts out extremely impressive numbers from the factory. 6L V8 L5P turbodiesel Duramax over the naturally aspirated 6. I picked up my 2020 Denali 2500 hd duramax this week and noticed a loud knocking at idle which increases in volume as the engine warms up. Just signed up to the forum. A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Forums GM Diesel Engines Duramax Seventh Generation: 2020+ (L5P) Filters 1 2 3 Next Question: What did you do to your L5P today? OkDually Mar 8, 2020 2 39 18K Apr 28, 2023 by dad311 L5P Photo Sharing Thread OkDually Jul 29, 2021 9 6K Mar 17, 2023 by SelectAV My last Chevrolet Oregonnovaguy Jul 22, 2022 6 3K May 3, 2023 by Mitroll D. At the time of its release for ’17 model year Chevy Silverado and GMC Sierra HDs, the L5P Duramax belted out a class-leading 445hp, along with an impressive 910 lb-ft of torque at just 1,600 rpm. Duramax Diesel Engine Take Rate>The 2024 Chevy Silverado HD Duramax Diesel Engine Take Rate. Duramax L5P Reliability. Chevy and GMC Duramax Diesel Forum Since 2005 A forum community. One of my customers wants me to swap a L5P into a 79 K2500, I think I will go ahead with the mechanical part and wiring, hoping that i can deal with the ECM on a later date. L5P Duramax Forum Private group · 3. Just signed up to the forum. com RV Community - Are you about to start a new improvement on your RV or need some help with some maintenance?. The L5P is considered the most reliable post. Any known Duramax L5P issues to be considered. Went back in to the dealer before I even left the lot and saw the service advisor and the diesel tech. No its does not put out as much torque at the wheels if you dyno the 6. Im considering looking at a 2019 Chevy 3500 with the L5P Duramax. Chevy / GMC Duramax 2017+ L5P Forums L5P TSB (service bulletins, recalls, updates) Filters 1 2 3 4 Next R 20-22 DEF Tank Heater and Wiring Harness Updates Ron Nielson Aug 12, 2022 3 2K Dec 3, 2022 by Ron Nielson D 2017 Duramax black smoke Duramaxnewbie101 Apr 23, 2023 1 174 Apr 27, 2023 by redwngr Recall issued-ECM OBD Faults Not Detected. Forums GM Diesel Engines Duramax Seventh Generation: 2020+ (L5P) Fuel Lubricity additive 31968 Views 46 Replies 20 Participants Last post by Mikey52 , Jul 1, 2022 P popee1 Discussion Starter · Feb 24, 2020 (Edited by Moderator) I use Stanadyne Lubricity Formula in my LMM engine fuel. The L5P motor seams to be one of the most reliable Duramaxs I have owned. The 2024 Chevy Silverado HD Duramax Diesel Engine Take Rate. L5P Duramax Forum Private group · 3. Other than that its a solid platform and highly recommended. 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 tune d, and the security protocols were so advanced, even the NSA would not be able to tackle the job. L5P Duramax Forum Private group · 3. Forums GM Diesel Engines Duramax Seventh Generation: 2020+ (L5P) Motor shuts off during idoling 2021 Duramex 17582 Views 22 Replies 16 Participants Last post by redwngr , Jan 16, 2023 Looner Discussion Starter · Nov 3, 2020 Just got new 2021 Duramax it seems to shut off after ideling for one hour. Tore the heads off and pulled the lifters out and this is what I …. nicky · May 3, 2023 · DMAXfirefighter replied 16 h ago. com Google Click Here to Login Files Vendors Registry Blogs FAQ Members List iRV2 Groups Calendar Mark Forums Read Log in Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts. Page 1 of 4 1 2 3 4 > Threads in Forum : Duramax Engine Forum Forum Tools Page 1 of 4 1 2 3 4. The L5P motor seams to be one of the most reliable Duramaxs I have. LB7 LLY LBZ LMM LML L5P Transfer Case / Axles / Driveshafts Tech Van Part #s Turbo Talk General Fuel System & Exhaust Questions Fluids and Maintenance The Pharmacy Threads 13. The L5P Duramax Will Never Be Tuned. Duramax Sixth Generation: 2017-2019 (L5P) Discuss the sixth generation of the 6. Most Common Duramax L5P Engine Problems. Forums Speciality Forums Maintenance & Fluids Which Oil with L5P ? 79783 Views 30 Replies 17 Participants Last post by wq93 , Jul 8, 2018 L LBZFAN Discussion Starter · Feb 5, 2017 Coming up on first oil change, anyone know what viscosity oil is in this engine from factory?. Chevy / GMC Duramax 2017+ L5P Forums L5P TSB (service bulletins, recalls, updates) Filters 1 2 3 4 Next R 20-22 DEF Tank Heater and Wiring Harness Updates Ron Nielson Aug 12, 2022 3 2K Dec 3, 2022 by Ron Nielson D 2017 Duramax black smoke Duramaxnewbie101 Apr 23, 2023 1 174 Apr 27, 2023 by redwngr Recall issued-ECM OBD Faults Not Detected. Duramax Engine Forum iRV2. 2018 GMC l5p ccsb stone blue metallic. And on my lbz I had to spend more than what it costed me to get the l5p there. Wondering if any of you l5p gurus have some failure analysis input for me. Wondering if any of you l5p gurus have some failure analysis input for me. 2017 L5P OBDII code B2aaa??? 0 Views 0 Replies 1 Participant Last post by Clockwork , 17 m ago. The L5P is considered the most reliable post-emissions Duramax made to date. Duramax Sixth Generation: 2017-2019 (L5P) Discuss the sixth generation of the 6. There are numerous aftermarket additions that can increase horsepower, torque, fuel economy, or reliability without breaking the bank. No major, recurring issues with the first generation of L5P trucks. Duramax 6. DMaxxed Jan 30, 2023 Replies 4 Views 218 May 1, 2023 mtxcaleb J Emissions jrfoust1 Apr 29, 2023 Replies 4 Views 111 Apr 29, 2023 2004LB7 E. The 3 Most Common Duramax L5P Engine Problems. My dually l5p is twin turbo max power it puts down over 1k hp. Forums GM Diesel Engines Duramax Sixth Generation: 2017-2019 (L5P) Filters 1 2 3 … 12 Next L5P: What did you do to your L5P today? callie454 Mar 25, 2017 3 4 5 84 47K Mar 6, 2023 by Mickey_D Info: Loose Intercooler/Intake Clamps Lgowens2 Sep 17, 2017 5 16K Oct 30, 2018 by Nick93 Info: DEF Shelf Life & Fluid Quality OkDually Aug 27, 2017 0 12K. 2017 L5P OBDII code B2aaa??? Like. The engine is pretty much completely new and puts out extremely impressive numbers from the factory. There are numerous aftermarket additions. Thread Tools Search this Thread Display Modes Join the #1 RV Forum Today - Its Totally Free! iRV2. L5P Duramax Injectors (2017+) $ 463. The LP5 is the 1st year that GM is making the motor totally in house vs the. 1K Activity No new posts today 9 in the last month 3,138 total members. The whole car is going to get a body lift and the suspension will be raised and it will have custom drop panels made to look like it’s still the same height. 2020 l5p duramax knock at idle cold, worse hot>2020 l5p duramax knock at idle cold, worse hot. L5P ecm flash by EfiLive>L5P ecm flash by EfiLive. At the time of its release for ’17 model year Chevy Silverado and GMC Sierra HDs, the L5P Duramax belted out a class-leading 445hp, along with an impressive 910 lb-ft of torque at just 1,600 rpm. History Group created on July 28, 2021 See more Members · 3. Forums GM Diesel Engines Duramax Seventh Generation: 2020+ (L5P) Filters 1 2 3 Next Question: What did you do to your L5P today? OkDually Mar 8, 2020 2 39 18K 9 d ago by dad311 L5P Photo Sharing Thread OkDually Jul 29, 2021 9 6K 2 mo ago by SelectAV My last Chevrolet Oregonnovaguy 10 mo ago 6 3K 4 d ago by Mitroll D Just upgraded to the L5P. Ive got a 39 toy hauler thats about 16. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more!. 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. L5P TSB (service bulletins, recalls, updates). Just starting a build on an LB7. Chevy and GMC Duramax Diesel Forum Since 2005 A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. 2020 l5p duramax knock at idle cold, worse hot :confused: Hi everyone. The only thing now that really any company has to worry about is trans. L5P Forums Duramax 6. 2020 l5p duramax knock at idle cold, worse hot. 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. The post went into further detail about the security. 6K S Reduced Power Yesterday at 7:27 PM Steve9 Duramax Engine Building New. See more Reply Save Like A ADE · #7 · Aug 19, 2021. 6 Technical Duramax Hard Parts L5P Dm23 Member Mar 8, 2019 210 6 18 Feb 16, 2022 #1 A buddies injector went out and is being quoted $300 for the injector and $880 in labor, is it me or does that seem like a high price jut for one injector? I thought replacing all injectors would be around $1200 at least for my LML. 2020+ LM2 Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving. One of my customers wants me to swap a L5P into a 79 K2500, I think I will go ahead with the mechanical part and wiring, hoping that i can deal with the ECM on a later date. I just traded a 2015 LML 2500 for a 2020 L5P. New l5p better then the cummins!?. Chevy / GMC Duramax 2017+ L5P Forums 2017-19 GM T-K2 Platform Powertrain Anyone happy with their L5P 116859 Views 223 Replies 104 Participants Last post by blythkd1 , Jan 14, 2021 mzodarg Discussion Starter · Jun 18, 2018 As a new owner of 2018 1ton it seems there are a lot of issues with this engine or we are only hearing the horror stories. Duramax Forum L5pChevy and GMC Duramax Diesel Forum Since 2005 A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Engine related discussion ONLY. Any known Duramax L5P issues to be considered SaltyDog Dork 1/31/22 6:45 p. The L5P Duramax Will Never Be Tuned. I wanted to ask what guys are getting for fuel mileage while towing, specifically 5th wheels or tall trailers. Service Bulletin Bulletin No. com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. That doesn’t mean you can’t improve your L5P Duramax though. Insert Quotes Quotes Post Reply. The L5P Duramax posts some pretty impressive numbers without any help from the aftermarket. So this truck came to me with a miss on one cylinder and a pop out of the intake,pulled the valve cover and found the valve lash extremely loose across the board,so loose one of the valve bridges had come out. Duramax History, Lesson 6: L5P. Duramax Engine Forum iRV2. Forums Speciality Forums Maintenance & Fluids Which Oil with L5P ? 79783 Views 30 Replies 17 Participants Last post by wq93 , Jul 8, 2018 L LBZFAN Discussion Starter · Feb 5, 2017 Coming up on first oil change, anyone know what viscosity oil is in this engine from factory?. 4M 6 h ago 2020+ LM2 Performance Parts Discussion Discussion of Performance Parts For the 20 and up LM2 Duramax Trucks No Advertising. 6L V8 L5P turbodiesel Duramax over the naturally aspirated 6. A forum community dedicated to Chevy and GMC Duramax diesel owners. 6L Duramax>The 3 Most Common Duramax L5P Engine Problems. Wackencracker New member Feb 22, 2020 2 0 0 Feb 22, 2020 #1 Hi everyone. com Google Click Here to Login Files Vendors Registry Blogs FAQ Members List iRV2 Groups Calendar Mark Forums Read Log in Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts. Another thing that owners have noticed is the TMAP sensor getting caked with soot and causing other issues. 6K Reduced Power Today at 12:08 AM Chevy1925 Duramax Engine Building New If poverty is what you seek, here is the solution. The 2024 Chevy Silverado HD Duramax Diesel Engine Take Rate A large majority of Silverado HD buyers choose the 6. Ifthe DPF Soot Accumulation increases to 115% and thesystem has not been able to regenerate, the“continuedriving” message will be displayed on the DIC. September 4th, 2020 #5 GMPX Lifetime Member Join Date Apr 2003 Posts 13,148. 5 LB7 Duramax Powertrain. L5P Duramax Power / Cummins Diesel Forum Home Forums General. com>L5P INJECTOR QUESTION. Duramaxdiesels. A forum community dedicated to Chevy and GMC Duramax diesel. Duramax L5P issues to be considered. 1siklmm! Discussion Starter · #4 · Oct 18, 2019. Im considering looking at a 2019 Chevy 3500 with the L5P Duramax. Forums GM Diesel Engines Duramax Sixth Generation: 2017-2019 (L5P) Filters 1 2 3 … 12 Next L5P: What did you do to your L5P today? callie454 Mar 25, 2017 3 4 5 84 47K Mar 6, 2023 by Mickey_D Info: Loose Intercooler/Intake Clamps Lgowens2 Sep 17, 2017 5 16K Oct 30, 2018 by Nick93 Info: DEF Shelf Life & Fluid Quality OkDually Aug 27, 2017 0 12K. As a result, an unladen ¾-ton crew cab 4x4 could sprint from 0 to 60 mph in just over six seconds—not bad for a 7,500-pound diesel. One of my customers wants me to swap a L5P into a 79 K2500, I think I will go ahead with the mechanical part and wiring, hoping that i can deal with the ECM on a later date. ~45000 miles, 4X4, single rear tires, looks clean from the pics. One really positive thing is that the Bosch injection system is gone for 17 and the Denso system is in. My dually l5p is twin turbo max power it puts down over 1k hp. The L5P is considered the most reliable post-emissions Duramax made to date. The LP5 is the 1st year that GM is making the motor totally in house vs the previous Izuzu diesel influence. 2017 L5P OBDII code B2aaa??? 0 Views 0 Replies 1 Participant Last post by Clockwork , 17 m ago. Any known Duramax L5P issues to be considered SaltyDog Dork 1/31/22 6:45 p. Duramax Sixth Generation: 2017. L5P Duramax Power / Cummins Diesel Forum Home Forums General Forums General Diesel Discussion Mays Cummins of the Month is now open for entries! CUMMINS SWAP VEHICLES ONLY L5P Duramax Power 11443 Views 15 Replies 13 Participants Last post by Mikey-KE7LBB , Oct 10, 2016 MC_Diesel Discussion Starter ·. GM To Buy Back Silverado HD, Sierra HD Over Engine Issue. Unless otherwise specified, all prices listed are for the individual component (each), not full sets. L5P Duramax Power / Cummins Diesel Forum Home Forums General Forums General Diesel Discussion Mays Cummins of the Month is now open for entries! CUMMINS SWAP VEHICLES ONLY L5P Duramax Power 11443 Views 15 Replies 13 Participants Last post by Mikey-KE7LBB , Oct 10, 2016 MC_Diesel Discussion Starter · Oct 3, 2016. Chevy / GMC Duramax 2017+ L5P Forums L5P TSB (service bulletins, recalls, updates) Filters 1 2 3 4 Next R 20-22 DEF Tank Heater and Wiring Harness Updates Ron Nielson Aug 12, 2022 3 2K Dec 3, 2022 by Ron Nielson D 2017 Duramax black smoke Duramaxnewbie101 Apr 23, 2023 1 174 Apr 27, 2023 by redwngr Recall issued-ECM OBD Faults Not Detected. com was founded in 2006 and created a site which. 6 Technical Duramax Hard Parts 1 2 Next Filters Scr doc dpf delete mtxcaleb May 1, 2023 Replies 2 Views 124 Tuesday at 3:40 AM mtxcaleb Please help! coolant leak! Pcfl. Wondering if any of you l5p gurus have some failure analysis input for me. 6 Technical Duramax Hard Parts L5P 1 2 3 Next C Capt. N Fab running boards, Duraflaps, Rhino lined bed Traded:05 lly ccsb 205k miles, built trans and supporting mods Traded:09 LMM CCLB Bone stock, fully loaded. The L5P is considered the most reliable post-emissions Duramax made to date. Come join the discussion about modifications, towing, classifieds, troubleshooting,. Duramax L5P Engine Failures Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts. 6L Duramax diesel engine & associated components. That doesnt mean you cant improve your L5P Duramax though. We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Duramax. Tore the heads off and pulled the lifters out and this is what I. For starters, I dont know if anyone has any data showing the HP4 system is any better. That doesn’t mean you can’t improve your L5P Duramax though. Duramax Engine Forum iRV2.