Duramax acceleration problems

Had no problems until now.I have a 2001 2500 hd 6.6 d

There are some signs of Duramax throttle position sensor problems, including hesitation to accelerate, accelerate itself, lack of power during acceleration, poor fuel efficiency, …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.

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Mar 6, 2015 · 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. 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 ...3. 1. Nov 17, 2022. #1. I just got a 2021 1500 3.0 Duramax with 15k on it. It is the Black Widow. I'm going to make a post about this strange squeal sound I hear under medium acceleration. Sounds like a balloon letting the air out while pinching the flap. IDK, I have had many turbos and this is not the turbo whistle.Issue isn't consistent sometimes it will go a day maybe 2 days no issues. Sometimes it will go 30 to 50 miles then issues occur still no codes. The issue when it happens. Is as follows. The truck sputters when driving at 1500rpm to 2500rpm like poping and sputters. Basically how a truck would sound with mass airflow sensors unplugged.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.179 posts · Joined 2011. #5 · Sep 9, 2012. Mine has turbo lag when I'm barely rolling along waiting for traffic to go by before making a turn. It takes some forethought to leave enough room for this. At highway speeds, I have seen no problems with this. My LMM never did it. 2011 3500HD LML 4X4 CC LB DRW Black.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, then gets fuel for a second and accelerates ...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.An improperly routed cooling fan wiring harness shorted to ground against the alternator pulley, sending a false erratic cooling fan clutch signal to the ECM...Sep 24, 2020 · Leaking transmission lines. Fueling / low fuel pressure. Piston / crankshaft failure. Allison 1000 power limitation. The LMM is an extremely capable engine. Two of these common problems are really cheats by me because there aren’t a lot of common problems on these engines and drivetrains. 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.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 ...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.1 post · Joined 2022. #10 · Apr 25, 2022. Jburleson said: Hi, just purchased a 2021 At4 3.0 diesel. Less than 300 miles check engine light comes on and dashboard says “ reducing engine power”. Went to dealership. Mechanic thought it was a faulty code reading. They check it , said they found nothing faulty. They didn’t say which code it ...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.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 …

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 Williams Controls accelerator pedals are widely used in various vehicles, providing precise control over acceleration. However, like any mechanical component, these pedals can expe...Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain. Acceleration Problemshaving 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 …

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 ...Got an interesting problem to solve with my 3500HD SRW High Country. Put a Tuff Country leveling kit on the truck which included upper a-arms, torsion keys, front differential drop spacers, shock drop brackets, limit straps, etc. for the front end. I only lifted the front 2.75 inches leaving it about 0.5 inches lower than the back (slight rake).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...…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. You buy a diesel because it makes 400 rwhp b. Possible cause: Same for your fuel filter. If your filter isn't letting enough fuel.

Indices Commodities Currencies StocksBest way I found to monitor truck is with an Edge Insight CTS. Oil life monitor jumps downward about 11% after every regen. I ignore the OLM. I go with oil analysis results to determine my change intervals and to make sure the is no fuel in oil. 2010 Gmc 2500 Duramax 853,500 Odometer miles - sold Nov 2018. 2013 LT CCSB SRW bought with 508,000 ...

Issue isn't consistent sometimes it will go a day maybe 2 days no issues. Sometimes it will go 30 to 50 miles then issues occur still no codes. The issue when it happens. Is as follows. The truck sputters when driving at 1500rpm to 2500rpm like poping and sputters. Basically how a truck would sound with mass airflow sensors unplugged.Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain Acceleration Problems ... Acceleration Problems. Jump to Latest Follow ...

Flush the cooling system. Add water to the system. K A 2011, 2015, and 2017 they are not duallys with no problem like this one. The new 2018 seems to intermittently when driving and pushing on the accelerator to intermittently hesitate like it is staving for fuel almost like a slight bucking. It started at around 300 miles and is still happening, but it is so intermittent it only happens 2 times ... Shudder under acceleration over 45mph. I’m getting a shudde846 posts · Joined 2018. #1 · Oct 2 Just spent $65,000.00 for a harsh shift when my old 95 4L80E still shifts smooth as silk! GM needs to FIX their problem. Truck now has about 6500 mi. on it and it has not changed. It also has a shudder under heavier acceleration. A lot of people here on this forum claim the fluid change to TES-295 really helps.In short, The most commonly reported problems that the L5P Duramax has are the Allison 1000 transmission, MAP sensor failure as well as fuel injector failure. … Dec 9, 2006 · having a problem with light blue smoke at idle and hea 1. Check the air filter and replace it if necessary. A dirty air filter can restrict airflow and cause a delay in throttle response. 2. Make sure the mass air flow sensor is clean. A dirty or faulty mass air flow sensor can also cause a delay in throttle response. 3. Check the throttle body for dirt and build-up. I have an '05 duramax. Am having accelerationJul 18, 2015 ... Comments67 · 2005 LLY Duramax IA 2011, 2015, and 2017 they are not duallys with no problem like thi Towing 35' gooseneck with deer stands (not heavy) Cleaning exhaust filter message popped up while driving at 75 mph for about 70 miles. Truck went into limp mode almost immediately after message popped up. Drove 25 mph to dealer 60 miles away. They performed a service regen but could not find another issue. Aug 18, 2020 · Overheating (pre-2006) Bad hesitation on acceleration, NOT turbo lag! I have a 2006 LBZ that is starting to give me problems, I have 122,000 miles on it and it is very well maintained. The engine is all stock except for efilive DSP5 tuning, I have ran a nicktane 2 micron fuel filter since the truck was bought new. Engine stalls during a hard acceleration. I have a 2002 Duramax [11 posts · Joined 2021. #1 · Dec 11, Sound shows up on video at about 23 seconds. Ha ha I’m get th injector noise again. I have a 2003 chev 2500hd duramax with 263000 miles on it. It all started about 50000 miles ago, the injectors started making a tapping sound after another 30000 it was alot louder and it started to smoke. 15000 miles later i had all eight injectors replaced, for the first 2 weeks engine was real quiet, no tapping at all ...1 post · Joined 2022. #10 · Apr 25, 2022. Jburleson said: Hi, just purchased a 2021 At4 3.0 diesel. Less than 300 miles check engine light comes on and dashboard says “ reducing engine power”. Went to dealership. Mechanic thought it was a faulty code reading. They check it , said they found nothing faulty. They didn’t say which code it ...