Duramax acceleration problems

07 2500HD Classic Black crewcab\SB Duramax LBZ -Diablosport 120HP-Diamond Eye True downpipe-4" straight exhaust from band clamp back-AEM intake with AFE filter and outerwear-PPE EGR Blocker Plate-PPE fuel plug-Edge Insight W\EGT-BD Diesel manifold-Intake resonator bypassed-RCD 6" front, 2" rear blocks, Low profile bumpstops for lower arms.

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 Duramax LB7 engine was way ahead of its time. Still, it has 5 common problems: injector failure, head gasket failure, water pump failure, fuel filter housing O-ring leaks, and engine overheating. 1. Injector Failure. An injector is an instrument that injects liquid fuel into internal combustion engines. It is one of the essential parts of the ... 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.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 …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 …Oct 25, 2022 ... Including hauling a truck camper all over the west up and down mountain passes in 90 deg temps without a single issue. Also performs well here ...Jul 15, 2009 · Mike . 2005 Chevy 2500HD Duramax LLY. BANKS ram air intake, MBRP 4" exhaust, CAT DELETE and NO MUFFLER, EGR Deleted, Fisher SS ExtremeV plow, Auto Meter Gauges, Boost, Pyro, Fuel Pressure, turbo resenator blocked off, PCV Reroute.

Head Gasket Failure. Injector Harness Chafing. Water Pump Failure. Overheating. EGR Valve Problems. Glow Plug Failure. Fuel Pressure Relief Valve. Suspension/Steering Problems. Bent Rods. Lack of a Factory Lift Pump. 1.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 … 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. The Accelerator Pedal Position (APP) sensor is made up of 2 sensors that are housed inside one assembly. The Engine Control Module (ECM) supplies a separate 5-volt reference circuit and a low reference circuit for each of the sensors. The 5-volt reference for APP sensor 1 is supplied from the same source in the ECM as the 5-volt reference for ...Enterprise-focused Alchemist Accelerator is back with another one. Today marks its 27th Demo Day, with more than two dozen companies expected to take the (virtual) stage. Coming in...Aug 22, 2010 · Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain Acceleration Problems ... Acceleration Problems. Jump to Latest Follow ... Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Performance Parts Discussion ... Power loss on acceleration. ... I'm pretty much and a stand still right now although my I was having problems with my shift indicator so I changed the nsbu and ignition switch which fixed that problem but did fix what I think is a fuel issue ...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-

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.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...You buy a diesel because it makes 400 rwhp but when you push on the throttle from a stop the truck is slow to move - the pedal feels... dead. It's not until ...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.

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Mid to soft acceleration it total doesn’t engage in 8 or 9th gear. Feels like a defuel issue. Everyone tellls me it’s a time problem l but no real solution. Chevy1925 don't know sh!t about IFS. Staff member. Oct 21, 2009 ... Duramaxdiesels.com was founded in 2006 and created a site which houses some of the best known Duramax tech you can ...Most big accelerators tend to dedicate some of their resources to dauntingly hard science problems and the companies taking them on… but for SOSV’s IndieBio, it’s the primary focus...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 ...Hooked up bluetooth scanner and read codes P128E & P0088 (high fuel rail pressure) reset the codes and took it for a ride. Seemed fine, but when I stood on the gas it wouldn't go over about 2900 RPM then check engine light with reduced power mode, and change fuel filter message. Swapped out the filter and took it for a ride with scantool …Jan 21, 2021 · 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 ...

Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain Acceleration Problems ... Acceleration Problems. Jump to Latest Follow ...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... Oct 25, 2022 ... Including hauling a truck camper all over the west up and down mountain passes in 90 deg temps without a single issue. Also performs well here ...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.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.P0101 mass air flow out of range. P0102 mass air flow signal low. P0401 insuffiecient egr flow detector. P0700 trans control system fault. P0113 intake air temp circuit signal high. P0299 turbo or super charger under boost. After driving 2 blocks light is back on. Check codes and P0101 and P0299 reappeared.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.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 ...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 … 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 ... 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 ...

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 …

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 ...Aug 16, 2018 ... Cowmaro Apparel: http://jdads.bigcartel.com/product/cowmaro-tee ...Jan 12, 2012 · 85 posts · Joined 2008. #1 · Jan 12, 2012 (Edited) My 2008 GMC Sierra D/A has started making a noise I never heard before when I'm Accelerating, I just had it in for oil change, fuel filter change, and alignment. This noise had started earlier but now it's more often, I don't think it is the Turbo. My gas mileage has also dropped about 2 ... 8. Loss of Power on Acceleration. The most common issues with an LLY Duramax diesel truck are loss of power at low revs under load and lackluster performance. This causes LLY Duramax engines to have issues accelerating, which can be dangerous.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.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 …The 2.8L Duramax is an inline-four-cylinder configuration with a variable-geometry turbocharger. With 181HP and 369 lb-ft of torque rating, the engine can tow up to 7,700 pounds. Compared to other engines in the Colorado and Canyon lineup, the engine has an impressive fuel economy. The 4WD has an EPA-estimated 20/29 MPG for city …Aug 22, 2010 · Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain Acceleration Problems ... Acceleration Problems. Jump to Latest Follow ... 85 posts · Joined 2008. #1 · Jan 12, 2012 (Edited) My 2008 GMC Sierra D/A has started making a noise I never heard before when I'm Accelerating, I just had it in for oil change, fuel filter change, and alignment. This noise had started earlier but now it's more often, I don't think it is the Turbo. My gas mileage has also dropped about 2 ...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.

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Once you’ve identified the problem, it’s usually a straightforward repair job. 08. Fuel Pump Failures. If your engine sputters at high speeds or loses power during acceleration, a failing fuel pump could be your culprit. Fuel pump issues can lead to poor performance and can even leave you stranded on the road.Jul 15, 2009 · Mike . 2005 Chevy 2500HD Duramax LLY. BANKS ram air intake, MBRP 4" exhaust, CAT DELETE and NO MUFFLER, EGR Deleted, Fisher SS ExtremeV plow, Auto Meter Gauges, Boost, Pyro, Fuel Pressure, turbo resenator blocked off, PCV Reroute. Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Performance Parts Discussion ... Power loss on acceleration. ... I'm pretty much and a stand still right now although my I was having problems with my shift indicator so I changed the nsbu and ignition switch which fixed that problem but did fix what I think is a fuel issue ...Jul 28, 2021 · 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. Aug 22, 2010 · Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain Acceleration Problems ... Acceleration Problems. Jump to Latest Follow ... It takes the Duramax a whole 7.0 seconds to complete the run. With that said, however, the Duramax diesel’s torque rating stands at a whopping 460 lb-ft, nearly 100 more than the EcoTec3’s 383 lb-ft. The V8 might win the acceleration challenge, but the Duramax has the low-end torque to put up a good fight.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 ...Aug 18, 2020 · 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. The Accelerated Cost Recovery System (ACRS) is a depreciation method that assigns assets periods of cost recovery based on specific IRS criteria. The Accelerated Cost Recovery Syst...Duramax LB7 engine was way ahead of its time. Still, it has 5 common problems: injector failure, head gasket failure, water pump failure, fuel filter housing O-ring leaks, and engine overheating. 1. Injector Failure. An injector is an instrument that injects liquid fuel into internal combustion engines. It is one of the essential parts of the ... ….

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...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 …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 …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. Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain Acceleration Problems ... Acceleration Problems. Jump to Latest Follow 3K views ...GM Even has a TSB about rear chatter. Aftermarket is the way to go. 07 Chevy Silverado 2500HD SBCC LT/LMM 4X4 Lifted, Wheels, Spicy Tuna, Custom Money Shredder, Dual "Air Compressors" 90 GMC Sierra 1500 'Bagged, Bodydropped 4.5" ,24" Helo 866's w:275/30/24 Kumho's. 06CCDMAX;1564009 said: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.You may experience several problems with the 3.0 Duramax engine during use. However, I have listed a few common Duramax problems reported by owners. Oil … Duramax acceleration problems, [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1]