Duramax l5p forum.

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 …

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2017 GMC 2500HD 4x4 Denali. 4.5" BDS Suspension Lift with Fox Shocks and BDS Steering Stabilizer, Cognito PISK kit, 295/65R20 Cooper STT Pro's on 20X9 +12 Ultra Predator II wheels, MGP Caliper covers, 30" Totron Lightbar behind the grill, Audiocontrol LC2i, Rockford Punch P500X2 powering 2 Rockford Punch 10's in a Ground Shaker box. Save Share.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.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 ... 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 …1498 posts · Joined 2020. #1 · Nov 2, 2020. Hadn't seen more than a few post on PCV reroute for the L5P so I thought I'd share mine. Earlier gen hose required 5/8" hose it seems while the L5P uses 7/8" id. I chose not to use the stock short section as the hose I used is very good quality and retains its form.

2018 L5P 10.1 MPG. I recently purchased a used 2018 Sierra 2500 duramax and the average MPG is 10.1. Just thought that seems low I thought they usually average around 13-16 mph. Anybody know if this is normal or if it’s not maybe something I can look at to bring up the MPG. I drive 5 miles to work but so does my in-laws and they have the same ...L5P RPM surge during decel. I purchased a brand new 2019 2500HD Duramax and at 1200 miles I noticed the engine surging during decel. 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 …

Melonhead1102. 5370 posts · Joined 2017. #2 · Mar 15, 2021. The only concerns that anyone really has had with the L5P platform is still the emissions related stuff: DEF heaters, NOx sensors, etc. The truck is strong, smooth, and quiet. You'll love it. "Aut viam inveniam aut faciam". Derek.Feb 22, 2020 · Feb 22, 2020. #1. Hi everyone. Just signed up to the forum. 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. Went back in to the dealer before I even left the lot and saw the service advisor and the diesel tech who both said it was normal.

fubo. 37 posts · Joined 2023. #20 · Aug 6, 2023. Hmm. I didn’t see any real changes in range but then again it is my first diesel. It gets 30mpg on the highway at 65mph so I guess if it regens for 7% of the time then it will probably drop to 27 to 28 mpg. Seems drop down to like 22 to 24 mpg when it’s regenerating on the highway.2017 L5P delete. Jump to Latest ... Chevy and GMC Duramax Diesel Forum. 3.8M posts 208.4K members Since 2005 A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Show Less . Full ...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.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 …

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.

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 105 participants last post by Bear76 May 14, 2023. mzodarg Discussion starter. 431 posts · Joined 2015. #1 · Jun 18, 2018.

Chevy / GMC Duramax 2017+ L5P Forums. 2017-19 GM T-K2 Platform Powertrain L5P fuel filter replacement / noise question ... 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 ...2018 L5P 10.1 MPG. I recently purchased a used 2018 Sierra 2500 duramax and the average MPG is 10.1. Just thought that seems low I thought they usually average around 13-16 mph. Anybody know if this is normal or if it’s not maybe something I can look at to bring up the MPG. I drive 5 miles to work but so does my in-laws and they have the same ...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 …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.Apr 15, 2017 · 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. 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.

I was under it yesterday and noticed oil on the bottom of the intercooler line prior to the intake (passenger side). All I've read and been told point to one of 5 things. 1. Excessive Crankcase pressure. 2. Kinked drain line. 3. …Just upgraded to the L5P. Discuss the seventh generation of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.28. Bay Area. Feb 17, 2022. #4. Depending on which injector it is that labor price can be accurate. I question the parts total cause there’s more than just an injector that needs replacing like the high pressure pipes on these engines are one time use. And the fuel injector return pipe seals should be replaced as well.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 ...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.

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.I took it to Chevy (GM) Dealer for relearning per actuator replacement instructions. They used MDI2 GDS Software to conduct the requested relearn, however, the initial "counts" show 287 exceeding the max value of 285 per the GDS software, so now code P100B displays with CEL at ignition on, engine on.

Beet juice is celebrated as a superfood. It is becoming more popular as the health benefits of beet juice are discussed in health and nutrition forums. Even some athletes take it a...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 …491 posts · Joined 2017. #2 · Dec 18, 2017 (Edited) I have changed the oil, spin on transmission filter, and rear axle lube on all of my Duramax diesel pickups around the 1,000 mile mark and I will do the same with my new Denali when I order it in early Spring. My RWD cars also get their oil and rear axle fluid change around the 1,000 mile point.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 ... Chevy / GMC Duramax 2017+ L5P Forums. 17-19 GM TK2 Platform Performance Parts Discussion Duramax tuner L5P tuning package. Jump to Latest ...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 …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.I have a 22 that tows and hauls, if you want any mileage, you gotta slow down to at least 65, 60 is even better. Big square truck with all sorts of hp available means speed is your enemy. 06 LBZ 2500 350,000mi 09 LMM 3500 Cutaway 700,000mi 22 L5P 3500 DRW. All currently on road. McSpeed, DuramaxDanZ71Sport, WillyD2114 and 3 others.1 1 of 12 12. Discuss the sixth generation of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.1/31/22 6:45 p.m. I'm considering looking at a 2019 Chevy 3500 with the L5P Duramax. ~45000 miles, 4X4, single rear tires, looks clean from the pics. Asking a bit over $60k, which scares the bejeebus outta me, but new 1500's are pushing $80K, so what the heck. Currently towing a 7500lb trailer, will probably go bigger at some point, and the ...

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 ...

474 posts · Joined 2017. #3 · Apr 10, 2017 (Edited) I'd say at least a full second longer than my LML. My LML would pretty much instantly start within less than a second of cranking when not freezing cold. I'll have to time them and see if there is really a significant difference or just seems like a long time to me.

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 …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... 06 LBZ 2500 350,000mi 09 LMM 3500 Cutaway 700,000mi 22 L5P 3500 DRW. All currently on road. ... Chevy and GMC Duramax Diesel Forum. 3.8M posts 208.5K members Since 2005 A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, …doc898 Discussion starter. 1 post · Joined 2015. #1 · Nov 27, 2020. Hello, My brand new l5p has a nasty knock at idle. Dealer says it's normal, and that there is a bulletin on it. I have a really hard time believing that GM would consider this knock "normal". Switched from being a hard core Powerstroke guy, to the D-max a few years back, and ...This VSE unit IMO is best since there is filtration AFTER the WIF sensor. Single filter L5P aftermarket units the WIF sensor is on the 'clean' side of the filter....if the water light comes on then it's too late. Stock filter has 2 sets of filter media in it, main one before the WIF and a secondary filter bit after the sensor.Feb 22, 2020. #1. Hi everyone. Just signed up to the forum. 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. Went back in to the dealer before I even left the lot and saw the service advisor and the diesel tech who both said it was normal.6,835. Location. 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 …846 posts · Joined 2018. #1 · Oct 26, 2018. Well unfortunately I have the known “chuggling” issue on my 2019 L5P Duramax. The issue has occurred half a dozen times and the truck only has 1,800 miles on it. It always happens in 3rd or 4th gear under light acceleration. It feels like the engine loses fuel for a second causing deceleration ...Elevated Idle. The engine has a cold temperature high idle feature which elevates the. engine idle speed from base idle to 1050 to 1100 rpm for pickup models or 1200 rpm for van models. when outside temperatures are below 0 °C (32 °F), and the engine coolant temperature is below 65 °C (150 °F).Nov 4, 2023 · Duramax Diesel Engine Oil Filter Update for 2023. September 20, 2022. The PF63 engine oil filter (Fig. 5) is the new recommended filter specification for 2020-2023 Silverado 2500HD/3500HD, Sierra 2500HD/3500HD, Express, Savana; and 2019-2023 Silverado 4500/5500/6500 models equipped with the 6.6L Duramax diesel engine (RPO L5P, L5D). Fig. 5. 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 …Dec 11, 2023 · 1) the filter will not physically fit. The diameter is too big (cooler changed in 2020) and without relocating the secondary coolant pump, it's too long. 2) the CAT filter adapters sold previously don't work as the oil cooler threads have changed now. 3) the CAT filter has no internal bypass valve. L5P's pump monster amounts of oil and pressure ...

Will have over 5000 by the end of next week. 2010 Gmc 2500 Duramax 853,500 Odometer miles - sold Nov 2018. 2013 LT CCSB SRW bought with 508,000 miles, now over 703,000 miles. 2013 CrewCab and chassis with 9' Hillsboro aluminum flatbed 84,000 miles. - Sold Sept 2019. chevor-2010-gmc-2500-maintenance-log.Unless you want to travel everywhere at 10 mph, you will need tunes and all the other parts before you delete. First you will need to find someone with a modified ecm. The encryption in the stock ecm is coded in the hardware and will not accept an unauthorized reprogram. Then you will need a tuner and tunes. It can still be done.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.Instagram:https://instagram. bmv hours columbusbainbridge ga accidentbarreto trencher parts diagramoptimum tv channel list 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... gasbuddy hermantown mncan you go to jail for not paying conn's Dewsbury Rams veteran Paul Sykes opens up on being 42, his future and why he is still playing rugby league. By Total Rugby League, December 19, 2023. 0 … irby street sporting goods photos 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.Human-powered search site Mahalo launches a familiar-seeming group Q&A forum, Mahalo Answers, with a Google-like twist—having the best answer might just earn you a few bucks from t...