Duramax acceleration problems.

If the pedal is hard to push -even with the key off-- most likely bit is a pedal issue. You will have to replace the entire unit. A "Limp" will show a "Check Engine" light -- be limited to 2,000 RPM and only have reverse and 3rd gear. Chevy 04.5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Gallon ...

Duramax acceleration problems. Things To Know About Duramax acceleration problems.

See full list on dieselpowerproducts.com 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.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 haulerIf the pedal is hard to push -even with the key off-- most likely bit is a pedal issue. You will have to replace the entire unit. A "Limp" will show a "Check Engine" light -- be limited to 2,000 RPM and only have reverse and 3rd gear. Chevy 04.5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Gallon ...

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 …Tech startup accelerators can help people with great tech ideas have cash and advice for their product. Learn how tech startup accelerators work. Advertisement At 20 years old, Bil...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.

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- A customer may report a loss of power, misfire and/or SES light illuminated. The engine may have a rhythmic tick noise or exhibit a popping sound from the air filter box. Misfire DTCs including P0300 may be set in the engine control module (ECM). Multiple root causes are possible, but in the most likely scenario, an intake or exhaust pushrod ...

By following this step-by-step guide, you can effectively troubleshoot Duramax TPS problems. Remember to address any wiring issues, test the signal voltage, and evaluate TPS performance at different throttle positions. Proper TPS functioning is crucial for smooth acceleration and optimal engine performance. Cleaning The Throttle Body And TPS By following this step-by-step guide, you can effectively troubleshoot Duramax TPS problems. Remember to address any wiring issues, test the signal voltage, and evaluate TPS performance at different throttle positions. Proper TPS functioning is crucial for smooth acceleration and optimal engine performance. Cleaning The Throttle Body And TPS 11 posts · Joined 2021. #1 · Dec 11, 2021. I’ve been looking to get a new truck and was looking at the GMC AT4 1500 with the 3.0 Duramax and was wondering if there are any problems with this motor and what else would I need to know before buying this truck, fuel economy, reliability, etc. Sent from my iPhone using Tapatalk.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.

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2018 L5P 3500 stumbles. New 3500 Denali bought new about 2 months ago. It has 1800 miles on it. while getting on the freeway at 35-45 mph relatively light acceleration truck stumbles I cant tell if its engine or trans caused. Kind of feels like it runs out of fuel or it doesn't know what gear to be in.

Slow acceleration, bad or no gear-shifting, and transmission overheating are the common signs of torque converter failure. If you notice these signs, be sure your torque converter is failing. You can do nothing but change the …the Chevy 2500 6.6L Duramax Diesel L5P number 1 issues/problem is the MAP sensor getting clogged and causing your Duramax diesel engine to run poorly and mos...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 AllBad Spark Plugs & Wires. Most Chevy’s have a spark plug replacement interval of 60,000 to 80,000 miles. When a spark plug goes bad it can cause cylinder misfires, rough idling, and acceleration issues. Bad spark plugs are one of the leading causes of a lack of acceleration in Chevy vehicles.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.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.

Best 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 ...Jul 18, 2015 ... Comments67 · 2005 LLY Duramax Injector Pigtail Replacement · 2005 Chevy 6.6 Duramax Diesel Surging Problem Fixed · 2002 duramax LB7 high RPM&n...Fall in Power Acceleration. Perpetual drop in power is one of those Duramax fuel pressure regulator symptoms that adversely affect vehicle performance. When it happens, the user might notice that the car is running roughly. Besides, there will …Jul 18, 2015 ... Comments67 · 2005 LLY Duramax Injector Pigtail Replacement · 2005 Chevy 6.6 Duramax Diesel Surging Problem Fixed · 2002 duramax LB7 high RPM&n...Jun 5, 2021 ... BOV Action•1.7K views · 10:01. Go to channel · The LB7 Duramax - Reliability & Common Problems! 8020 Media•13K views · 4:34. Go to channel ...Jul 18, 2015 ... Comments67 · 2005 LLY Duramax Injector Pigtail Replacement · 2005 Chevy 6.6 Duramax Diesel Surging Problem Fixed · 2002 duramax LB7 high RPM&n...

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).Nov 22, 2021 · 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.

Jul 21, 2022 · 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 ... Apr 17, 2006 · 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. 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.Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain Acceleration Problems ... Acceleration Problems. Jump to Latest Follow ...Apr 17, 2006 · 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. Aug 9, 2015 ... ... duramax.aspx Duramax Smoking and Hard Start Easy Cheap Fixes. ... Diesel in the Oil! - Injector Return Line Issue - '02 2500HD Duramax.

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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.

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 ...Bad Spark Plugs & Wires. Most Chevy’s have a spark plug replacement interval of 60,000 to 80,000 miles. When a spark plug goes bad it can cause cylinder misfires, rough idling, and acceleration issues. Bad spark plugs are one of the leading causes of a lack of acceleration in Chevy vehicles.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.Pull the shaft out and check the U-joints, maybe try a test drive without the shaft if will tell you something. 01 GMC 2500hd ecsb Dmax/Alli. 4" exhaust to 5" single stack,EDGE Insight CTS, EFI Live Moonshine tuned, Suncoast stage IV, Complete Kryptonite front end with PISK , 305/55/R20 Cooper Zeon's on Rockstars. Eaton E-locker.The FPR closes and opens according to the signal and the CP3 pressurises the fuel in it to the rails. If your CP3 is weak you wil usually get the 0093 code while towing or climbing a hill in higher gears. Your rail pressure will drop off the desired a bit and set the code. If the FPR is sticking you will usually have a slight lope at idle or in ...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 ...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 …Jan 3, 2021 · This video is an example of how we diagnose diesel drivability issues without changing a single part or guessing what the fault is. In this example the truc... Indices Commodities Currencies StocksOne of the most common lly duramax problems is the injector harness rub, which can cause rough idling or even stall the engine. Another frequent issue is the fuel injectors, and a failing ficm can also cause problems. Improper fuel pressure can lead to hard starts, misfires, and decreased fuel economy. Proper diagnosis is crucial to …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.

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 moreThrottle body issues are the cause of the engine power reduced message around 90% of the time. Electrical issues: Loose wires, clamps, or harnesses can cause electrical shorts or other problems that affect the engine’s performance. Fuel system issues: Problems with the fuel system, such as a clogged fuel filter or a malfunctioning fuel pump ...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.Instagram:https://instagram. forearm outline tattoo These problems can cause a range of symptoms, including reduced power, poor fuel efficiency, engine overheating, and warning lights on the dashboard. Solutions for Engine Misfires: Engine misfires in the 3.0 Duramax engine can be caused by a range of factors, including faulty spark plugs, fuel injectors, or ignition coils.Feb 3, 2022 · What are the most common problems with the L5P Duramax? 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. Since it’s relatively new on the market, there is still very limited information available on it as far as problems are concerned. i 405 northbound accident today 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. wrigley field section 120 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. pluto labs thc Chevy / GMC Duramax 06-07 LBZ & LLY Forums. 06-07 LBZ & LLY Duramax Powertrain Black smoke on acceleration *Help!* ... right away when driving it I noticed it smoked on light and heavy acceleration. IE climbing hills passing in traffic acceleration to an on ramp. ... its not a problem man, just gimme a shout if you need it … kxnt 840 am listen live 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.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. nnaap pearson vue 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 … icd 10 for subdural hematoma 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 ...Jul 28, 2007 · Same problem Hey guys, my LLY has recently been doing the same sluggish acceleration as of recent. Today 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 adviced is appreciated. jollibee sterling heights opening date 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 ... homes for rent in colton ca 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 ... cause tonight's the night that i will fall for you 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.18259 posts · Joined 2008. #5 · Dec 5, 2017. As you know the Duramax does not have a lift pump to push the fuel from the fuel tank to the engine, it uses the injection pump [CP3], to draw/suck the fuel from the fuel tank through all the fuel lines, filter, FICM and then into the CP3. So any small leak in the filter or fuel lines it will suck ... level 8815 candy crush 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 …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 ...