Duramax acceleration problems

Oct 3, 2014 · 1 post · Joined 2014. #1 · Oct 3, 2014. 01 LB7, only non stock is air intake.I was pulling an average size boat when I got a check engine light and lost power. I could ease it up to 50 mph but if I pushed it then back down to no power. Pulled into a parts store,changed fuel filter and they analyzed it. Said it was the fuel pressure regulator.

Duramax acceleration problems. If your not too far I can take a ride with you and see if there is anything I can help you with. Tony Martino- Ridge Runner Diesel Performance, LLC - 854-444-2874. 2001-2016 Duramax Tuning & 2006-2016 Cummins Tuning. Allison 5 Speed and 6 Speed Tuning. www.ridgerunnerdieselperformance.com.

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Are you looking to advance your career in the ever-growing field of technology? Look no further than online computer coding courses. In today’s digital world, coding skills are in ...Need some help here. When I floor my 2003 LB7 duramax at highway speeds it slowly crawls while accelerating. If I'm at highway speeds and put on cruise control and hold the accelerate option it gets up and goes like a bat out of hell. What could be the problem here if any? Maximum speed I can reach with it floored is like 75 mph.Are you looking to accelerate your career in the field of Information Technology (IT)? If so, then obtaining a Cisco Certified Network Associate (CCNA) certification could be the p...The Duramax is famous for rubbed through wire issues.. Pump up your fuel primer on the fuel filter head and let it sit (preferably overnight ). Recheck it in the morning and if the primer button is soft, start by rebuilding your fuel filter head or replacing it. Go through all fuel lines.TikTok have announced that they are now accepting applications for the third round of their Support Black Businesses accelerator program. TikTok has announced that they are now acc...Maybe. According to Pickup Truck Talk, the 2022 GMC Sierra 1500 has increasing reports of engine failure and no-stating issues. These problems include the gas-powered engines and the diesel option. The 6.1-liter V8 engine could be facing engine lifter problems. Owners of General Motors V8 engines with Active Fuel Management (AFM) systems aren ...

I fear mine is doing the same thing… connectivity issue. Throwing check engine…”reduced acceleration drive with care” Reset once, came back on 30 minutes later. 2023 1500 Elevation Crew Cab with the 3.0 Duramax. Got it Valentine’s Day as a gift from my wife-2012 LML Duramax surges and has weak acceleration. I started to have issues when I was suddenly put into limp mode (couldn't go past 1000 rpms). Cleared the codes and it came out of it but with weak acceleration and surging while in gear as seen in the video. I took it back out to video the weak acceleration and it wasn't doing the surging ...Here is our guide to the 7 most common 6.6L LB7 Duramax problems and how to fix them. 1. LB7 Duramax Injectors. The most notorious LB7 Duramax problem is their original injectors. Even GM …13 posts · Joined 2011. #1 · Dec 23, 2017. Traded in my 15 3500hd for an 18 2500 hd and I have just started to notice a clunk, like a thud coming from the rear of the truck upon medium to heavy acceleration from a dead stop. The truck presently has 106 miles. It almost feels like a sheet of plywood that is moving in the bed hitting the ...J83. 5030 posts · Joined 2014. #8 · Apr 24, 2014. my truck runs 80 PSI on the highway when warm, it always has. 40-60 idle and 80 idle when cold. been like that for 7 or 8 years that ive owned the truck. everyone ive ever had look at the truck says its fine, i think our trucks run higher oil pressure then the newer ones.

Overheating (pre-2006) Fuel pressure relief valve. If you would rather consume this content via a video, check out our Chevrolet LLY Duramax Common Problems video below: 1. Bent Rods. While the LLY made competitive performance numbers back in 2004, the engine is certainly not competitive to the modern day diesels.33-MPG or Not, the 3.0L Duramax is the Most Efficient. Your mileage may vary, but so far the 3.0L Duramax hasn’t quite lived up to the 33-mpg hype. We’ve seen trucks come close in 99-percent, steady-state highway cruising, but most hand-calculated fuel economy numbers for 4x2 model Silverados range from 27-mpg to 31-mpg.Try to prime the truck using the fuel filter pump. Crack the bleeder screw and pump it until fuel starts to come out and there is no more air. Once its pure fuel, stop priming the pump and tighten the screw. Push on the primer. (it should be hard) If it doesn't get hard you may have to rebuild the fuel filter housing. Justin. 2005 LLY Rods, Cam ... Same for your fuel filter. If your filter isn't letting enough fuel pass through, your engine isn't going to accelerate the way you need. Trouble starting your engine is another indicator that your fuel filter is clogged. If you've got a full tank of diesel and your engine won't start, there's a good chance your filter may need changing. The Duramax is famous for rubbed through wire issues.. Pump up your fuel primer on the fuel filter head and let it sit (preferably overnight ). Recheck it in the morning and if the primer button is soft, start by rebuilding your fuel filter head or replacing it. Go through all fuel lines.3.0 Duramax common problems Starting problems. This may be the most prevalent issue in these engines. Basically, the engine’s starter motor gets cranking as soon as you try to switch on the engine. However, it keeps on cranking and the engine never really starts. Sometimes, the engine does start when you try to crank it a second time.

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acceleration problems I have been having similar problems with my 04.5 LLY. I've got an edge set on level 4, 5" exhaust and an intake. It will set the world on fire from 1st-4th but as soon as it hit 5th it falls on its face. The truck won't accelerate even pushing the pedal to 3/4 throttle then it drops to 4th and takes off again.Hesitant acceleration; Low fuel pressure; Power loss; Rough idle; Replacing the high-pressure pump is inevitable. However, you can prolong the pump’s lifespan with good maintenance culture and avoid running on low fuel. 3.0L Duramax Reliability. The crank no start issue is the major problem that has ravaged the 3.0L Duramax.It does'nt make sense that the nox sensor would create such havoc, but it did.. So those of you Duaramax owners that have the vibration like your drive shaft or tires are out balance change the Nox sensor by the turbo.. Problem solved.. Good luck.. 2017 3500 hd L5P. 77cruiser.In today’s fast-paced business landscape, companies are constantly looking for ways to gain a competitive edge and accelerate their growth. One powerful tool that has emerged in re...

Aug 5, 2020 · Water Pump Failure. Fuel Filter Housing O-ring Leaks. Blown Head Gasket. Overheating (fan clutch problems, radiator gunk) In addition to the above common engine problems, there are also a few worthwhile to mention problems that affect high horsepower LB7’s: Crankshafts + connecting rods break at high hp. The problem usually occurs while accelerating from a stop. Yesterday the truck fell on its face, so I pinned it and then three codes appeared. They were P0401 EGR insufficient flow, P0404 Exhaust Gas Recirculation Open, and P0101 Mass Air Flow Sensor Circuit Range/Performance. Any and all advice is appreciated.Oct 2, 2009 · 2001 GMC Sierra 4x4 crew cab 4WD Duramax diesel engine. Runs & starts fine, and OK in normal driving, even hard acceleration, but when puling heavy load, after 2ndor third hard acceleration, check eng … read more 6.5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004.5-2005 (LLY) 6.2L Diesel Engine Fuel System, Air, Exhaust & Emissions Upgrades Top Contributors this Month View AllThe most common cause of acceleration issues lies in the transmission. The transmission converts the mechanical energy of the engine and transports it to the wheels, thus causing t...The problem usually occurs while accelerating from a stop. Yesterday the truck fell on its face, so I pinned it and then three codes appeared. They were P0401 EGR insufficient flow, P0404 Exhaust Gas Recirculation Open, and P0101 Mass Air Flow Sensor Circuit Range/Performance. Any and all advice is appreciated.Aug 5, 2020 · Water Pump Failure. Fuel Filter Housing O-ring Leaks. Blown Head Gasket. Overheating (fan clutch problems, radiator gunk) In addition to the above common engine problems, there are also a few worthwhile to mention problems that affect high horsepower LB7’s: Crankshafts + connecting rods break at high hp. 2001 GMC Sierra 4x4 crew cab 4WD Duramax diesel engine. Runs & starts fine, and OK in normal driving, even hard acceleration, but when puling heavy load, after 2ndor third hard acceleration, check eng … read moreAug 9, 2015 ... ... duramax.aspx Duramax Smoking and Hard Start Easy Cheap Fixes. ... Diesel in the Oil! - Injector Return Line Issue - '02 2500HD Duramax.Boosted Performance is now LIVE! LB7 Performance Parts: https://boostedperformance.com/duramax-lb7In this video, Jake covers the LB7 Duramax engine. It is a ...

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AXDX: Get the latest Accelerate Diagnostics stock price and detailed information including AXDX news, historical charts and realtime prices. Indices Commodities Currencies StocksNeuReality, a startup developing AI inferencing accelerator chips, has raised $35 million in new venture capital. The growing demand for AI, particularly generative AI (i.e., AI th...As a reliable and fuel-efficient engine, the 3.0 Duramax offers a great combination of performance and efficiency. However, there are 5 minor and 1 major problem with the engine, including a starting issue, bad fuel injectors, and a faulty oil pump. The 06 problems with their symptoms and solutions are: 1. Starting Problem.Sound shows up on video at about 23 seconds. Ha ha I’m get that noise in the morning at around 15-20mph then it goes away never cared about it sounds like something rubbing a wire or something from the center counsel. The other thing that gets me temperamental is the Damb passenger seat belt when not flip correctly between the …Jun 19, 2023 · Remove thermostat. Flush the cooling system. Add water to the system. Keep the engine idle and slowly add a head gasket sealer to the radiator. (There are many types of head gasket sealers available in the market. Keep the engine idle for 50 to 55 minutes. Install the radiator cap. 169 posts · Joined 2014. #13 · Mar 6, 2015 (Edited) Here is some information that will be helpful for your 2003. Check the Resistance values of the three APP Pots. Pins G, D, J are +5 VDC with reference to E, B, A. ( G to E, D to B, J to A) If those are good, check the connector connection to the ECM. Larry.Aug 5, 2020 · Water Pump Failure. Fuel Filter Housing O-ring Leaks. Blown Head Gasket. Overheating (fan clutch problems, radiator gunk) In addition to the above common engine problems, there are also a few worthwhile to mention problems that affect high horsepower LB7’s: Crankshafts + connecting rods break at high hp. Sep 16, 2017 ... GM and GMC vehicles have been plagued by throttle position sensor problems along with the dreaded reduced engine power or limp mode.

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Decided to start a new thread on this problem....2011 fleece k-pump cp3 conversion, fass lift pump, new injectors and motorops heavy tow tuning. On the first test drive when u stump it, it falls flat on its face just acts like it is defueling or something.A new lift pump will not only improve the engine problems but also reduce emissions. In case you’re looking for a new diesel engine in OKC, you can consider contacting a good motor company. Water Pump Problems. Duramax engines are equipped with water pumps having plastic impellers. They’re weak and prone to failure.If the truck can do 20 mpg empty, it burns 1.5 gal just covering the 30 miles, plus the extra 1 gallon going to the 9th injector. You end up using 2.5 gal /30 miles or about 12 mpg. These 2024's seem to be using closer to 2 gal/30 miles, plus the extra for regen makes 3 gal/30miles or 10mpg during regen.Sound shows up on video at about 23 seconds. Ha ha I’m get that noise in the morning at around 15-20mph then it goes away never cared about it sounds like something rubbing a wire or something from the center counsel. The other thing that gets me temperamental is the Damb passenger seat belt when not flip correctly between the …There are 07 most common signs of bad throttle position sensor. Acceleration issues like hesitant to accelerate, accelerate itself, lack of acceleration power. Check engine warning light pops up on the dashboard. Fuel efficiency is low or high than standard. Throttle valve of the engine misleads.Had no problems until now.I have a 2001 2500 hd 6.6 diesel.Last month changed a bad water pump.Now having acceleration problems.Changed fuel filter. Still …Tmurray604. • 10 mo. ago. I just picked up my 2024 Sierra 2500 AT4 with the Duramax 5 days ago. Day 2 it was back at the dealer for a coolant leak (hose not fully clipped on at factory, so they say) after 180 miles. Got it back and 2 days later I got the “Acceleration reduced drive with care” message as well as “service traction control ...1. Excessive Oil Consumption. One of the most common 2007-2013 GMC and Chevy truck problems owners experience is excessive oil consumption. This problem led vehicle buyers to launch a class-action lawsuit against GM, which alleged 2010-2013 vehicles with Generation IV 5.3 Liter V8 Vortec 5300 engines were defective.THe Air Dog 165 immediately cures the problem. THere are two problems with fuel in our trucks. First is what we have been discussing, that is the lack of total quantity under max demand situations. THe second and possibly just as devestating is the fact that churned up diesel fuel fills itself with microscopic air bubbles.I’m getting a shudder/stutter when accelerating above 45mph. When I give it throttle above 45mph and it down shifts and puts the RPMs at 2,000, the shudder/stutter … ….

1 post · Joined 2006. #1 · Jul 6, 2006. I have a stock early 2004 duramax with the allison automatic. Over the past few weeks I have been having sporatic problems with the transmission. Under heavy acceleration (pedal to the boards) the engine hits the shift point rpm but the transmission will not shift. I have to relase the throttle a little ...Feb 23, 2020 ... ... acceleration. Black smoke coming from the ... acceleration. Black smoke coming from the exhaust ... LB7 Duramax Idle Lope and Surge Issue Fix!Jan 26, 2011 · No problem since then. The MAF is very sensitive to residues and it can and will cause smoke if they get dirty or oily. Chevrolet '16 2500HD 4WD LTZ CC D/A LML Deep Ocean Blue, HID lighting, otherwise stock. GMC '04 2500HD SLE CC D/A LB7 SB Summit White, LineX, Nicktane, JK headlight harness, JK fuel pump and harness, Banks exhaust, EFI Live ... GM 6.6-Liter Duramax LML: CP4.2 … the Weakest Link. GM says the change from the CP3 pump used in the earlier models allows the LML to run on ASTM grade B20 biodiesel while ensuring more precise ...The EGR system of LLY Duramax engines is can fail prematurely due to clogging or other issues. This can cause various problems, including reduced power …Maybe. According to Pickup Truck Talk, the 2022 GMC Sierra 1500 has increasing reports of engine failure and no-stating issues. These problems include the gas-powered engines and the diesel option. The 6.1-liter V8 engine could be facing engine lifter problems. Owners of General Motors V8 engines with Active Fuel Management (AFM) …Fuel System Problems. Your Duramax relies on a clean and unobstructed fuel supply. Issues with the fuel filter, fuel line, or fuel injectors can cause reduced engine power. A faulty injector can disrupt the fuel mixture, and clogged fuel filters restrict fuel flow, both potentially leading to limp mode activation for protection.2012 6.6 DEF continuous problems. Hi all, I'm here for help. I have a 2012 GMC 2500 6.6 I have 115,000 miles on it and over the past 50,000 miles I've had to have the DEF injector replaced and the entire DEF tank replaced. Last night I got the "poor" DEF fluid quality message with speed restrictions in 99 miles.Shudder under acceleration over 45mph. I’m getting a shudder/stutter when accelerating above 45mph. When I give it throttle above 45mph and it down shifts and puts the RPMs at 2,000, the shudder/stutter starts until 2,500 RPMs and then goes away. No issues under 45mph, during steady state driving, and it happen less when in tow haul … Duramax acceleration problems, 13 posts · Joined 2011. #1 · Dec 23, 2017. Traded in my 15 3500hd for an 18 2500 hd and I have just started to notice a clunk, like a thud coming from the rear of the truck upon medium to heavy acceleration from a dead stop. The truck presently has 106 miles. It almost feels like a sheet of plywood that is moving in the bed hitting the ..., Another thing to check is the FICM harness at the side of the alternator, it is tied down with a zip tie. The sharp corner of the FICM bracket cuts into the wires and causes a short. You should fill out your Signature with the year and any mods on the truck. Click the User CP at the top left side and then the signature., Dec 9, 2006 · having a problem with light blue smoke at idle and heavy blue smoke on acceleration with it clearing away at cruse speed some say it is valve guides but upon going to the dealer the claim there are no valve guide seals on the duramax 6.6 and that that problem could be turbo seals anyone with any ideas? this is a 2002 silverado 6.6 LB7. Like. , acceleration problems I have been having similar problems with my 04.5 LLY. I've got an edge set on level 4, 5" exhaust and an intake. It will set the world on fire from 1st-4th but as soon as it hit 5th it falls on its face. The truck won't accelerate even pushing the pedal to 3/4 throttle then it drops to 4th and takes off again., I fear mine is doing the same thing… connectivity issue. Throwing check engine…”reduced acceleration drive with care” Reset once, came back on 30 minutes later. 2023 1500 Elevation Crew Cab with the 3.0 …, If the truck can do 20 mpg empty, it burns 1.5 gal just covering the 30 miles, plus the extra 1 gallon going to the 9th injector. You end up using 2.5 gal /30 miles or about 12 mpg. These 2024's seem to be using closer to 2 gal/30 miles, plus the extra for regen makes 3 gal/30miles or 10mpg during regen., Tmurray604. • 10 mo. ago. I just picked up my 2024 Sierra 2500 AT4 with the Duramax 5 days ago. Day 2 it was back at the dealer for a coolant leak (hose not fully clipped on at factory, so they say) after 180 miles. Got it back and 2 days later I got the “Acceleration reduced drive with care” message as well as “service traction control ... , There are some signs of Duramax throttle position sensor problems, including hesitation to accelerate, accelerate itself, lack of power during acceleration, poor fuel efficiency, …, I dont think a lack of air will limit your RPM. List your year of duramax and mods thats could give us insight. Lack of fuel will cut RPM off usually -head studs and gaskets-66mm-5” straight pipe axle dumped …, I had a different problem a few years ago. Under hard acceleration my truck would start to pull then fall on its face. I had a bad fuel pressure release valve(not enough fuel psi). ... 07 2500HD Classic Black crewcab\SB Duramax LBZ -Diablosport 120HP-Diamond Eye True downpipe-4" straight exhaust from band clamp back-AEM intake with …, Sierra Denali ultimate 3.0. Left me stranded on the highway. Terrible noise coming from the turbo and reduced power, tons of smoke billowing from behind. Towed to the dealer and somehow oil got into the turbo. Ruined the turbo and emissions system. No idea how that could happen with 7k miles on the truck., THe Air Dog 165 immediately cures the problem. THere are two problems with fuel in our trucks. First is what we have been discussing, that is the lack of total quantity under max demand situations. THe second and possibly just as devestating is the fact that churned up diesel fuel fills itself with microscopic air bubbles., Are you looking to improve your English skills? Whether you are a beginner or already have some knowledge of the language, Burlington English is here to help you accelerate your En..., Former Trucks:2019 GMC Sierra Denali Duramax 2500, loaded. 2016 GMC Sierra Denali Duramax Z71. every option with the exception of rear seat video. Snugtop truck cap with keyless entry, Edge Insight CTS II, custom rear back up camera for my boat trailer with quick disconnects.,2012 GMC Sierra SLT 2500 HD Crewcab, Duramax, Z-71 …, LML Doesn't want to downshift on acceleration. New to me 2015 LML. Feel stock power level wise but if you mat it it doesn't usually downshift it just slowly accelerates. Coming from an 08 lmm and if you mat it it will downshift and the rpms jump to 2500-3k and it goes. This new LML won't do that, it hasn't been an issue really but today …, The most common cause of acceleration issues lies in the transmission. The transmission converts the mechanical energy of the engine and transports it to the wheels, thus causing t..., , 2012 LML Duramax surges and has weak acceleration. I started to have issues when I was suddenly put into limp mode (couldn't go past 1000 rpms). Cleared the codes and it came out of it but with weak acceleration and surging while in gear as seen in the video. I took it back out to video the weak acceleration and it wasn't doing the surging ..., Feb 9, 2023 · I fear mine is doing the same thing… connectivity issue. Throwing check engine…”reduced acceleration drive with care” Reset once, came back on 30 minutes later. 2023 1500 Elevation Crew Cab with the 3.0 Duramax. Got it Valentine’s Day as a gift from my wife- , Shudder under acceleration over 45mph. I’m getting a shudder/stutter when accelerating above 45mph. When I give it throttle above 45mph and it down shifts and puts the RPMs at 2,000, the shudder/stutter starts until 2,500 RPMs and then goes away. No issues under 45mph, during steady state driving, and it happen less when in tow haul mode., There are 07 most common signs of bad throttle position sensor. Acceleration issues like hesitant to accelerate, accelerate itself, lack of acceleration power. Check engine warning light pops up on the dashboard. Fuel efficiency is low or high than standard. Throttle valve of the engine misleads. , Maybe. According to Pickup Truck Talk, the 2022 GMC Sierra 1500 has increasing reports of engine failure and no-stating issues. These problems include the gas-powered engines and the diesel option. The 6.1-liter V8 engine could be facing engine lifter problems. Owners of General Motors V8 engines with Active Fuel Management (AFM) …, Sierra Denali ultimate 3.0. Left me stranded on the highway. Terrible noise coming from the turbo and reduced power, tons of smoke billowing from behind. Towed to the dealer and somehow oil got into the turbo. Ruined the turbo and emissions system. No idea how that could happen with 7k miles on the truck., Additionally, you will experience engine misfiring, power decline, rough start, and slow acceleration. Injector failure also results from fuel contamination and low lubricity. Solution. Unfortunately, the LB7 …, I will walk you through the 10 most common 2.8 Duramax problems with solutions. 1. Transmission Failure. 2.8L Duramax has a 6L50 transmission system. The same transmission system is used in Camaro V6, Holden Chevrolet Lumina, Chevrolet Caprice, Cadillac SLS, SRX, STS, and CTS engines. It means GM has used a car transmission system in mid-size ... , Many customers have upgraded from their old pre-emissions Duramax to a new LML Duramax and found there are a few changes besides just the looks. The new LML made and astonishing 395 RWHP and 731 ft/lbs of torque on our dyno when tested stock. Which is impressive by itself but you will probably notice your old Duramax feels quicker. , 2012 LML Duramax surges and has weak acceleration. I started to have issues when I was suddenly put into limp mode (couldn't go past 1000 rpms). Cleared the codes and it came out of it but with weak acceleration and surging while in gear as seen in the video. I took it back out to video the weak acceleration and it wasn't doing the surging ..., 242 posts · Joined 2021. #2 · Dec 15, 2022. Cold air will sound different going through the turbo until piping, intercooler warmed up. Also when cold it keeps the vanes more closed in an effort to warm up the engine by making it work harder. Also the air around the engine transmits sound better when cold. 2020 GMC 2500 CCLB work truck pkg., 1. Excessive Oil Consumption. One of the most common 2007-2013 GMC and Chevy truck problems owners experience is excessive oil consumption. This problem led vehicle buyers to launch a class-action lawsuit against GM, which alleged 2010-2013 vehicles with Generation IV 5.3 Liter V8 Vortec 5300 engines were defective., Feb 9, 2023 · I fear mine is doing the same thing… connectivity issue. Throwing check engine…”reduced acceleration drive with care” Reset once, came back on 30 minutes later. 2023 1500 Elevation Crew Cab with the 3.0 Duramax. Got it Valentine’s Day as a gift from my wife- , 3.0 cold surge. I have a 2020 2LT Silverado that began having cold weather surging issues last Dec. I would drive down the street 1/2 miles from home and at the intersection the engine would surge to 1000 rpm and then back to 400 repeatedly. However once the engine was at operating temps it stopped. Local GM dealer was able to …, Sep 9, 2015 · 2005 CC SB LLY-Air dog 165 Factory filter deleted, S366 Turbo, 3IN Intercooler pipes, LB7 up pipe/EGR delete, Built trans, DSP5 switch, PPE Fuel press/EGT/Boost guages, 5 In exhaust, Big Chevy Traction Bars, HD Tie-Rod sleeves, Stainless Center Link, ARP Headstuds, Smoked Recon tail lights & brake lights, Smoked headlights/fogs/cab lights-My ATV hauler , Sep 9, 2015 · 2005 CC SB LLY-Air dog 165 Factory filter deleted, S366 Turbo, 3IN Intercooler pipes, LB7 up pipe/EGR delete, Built trans, DSP5 switch, PPE Fuel press/EGT/Boost guages, 5 In exhaust, Big Chevy Traction Bars, HD Tie-Rod sleeves, Stainless Center Link, ARP Headstuds, Smoked Recon tail lights & brake lights, Smoked headlights/fogs/cab lights-My ATV hauler