Duramax acceleration problems.

Jun 4, 2023 · 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. 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 ... 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 ...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 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.Boosted Performance is now LIVE! LB7 Performance Parts: https://boostedperformance.com/duramax-lb7In this video, Jake covers the LB7 Duramax engine. It is a ...

0. 0. Dec 28, 2019. #1. Having a couple issues with my 2013 Duramax 75,000 miles. Show reduced power on the instrument panel and it feels down on power, maybe 75% of normal. But no check engine light. Also the lights dim every 5 seconds or so when at idle, the voltage goes from 14.5v down to 12.9 when this happens.Engine stalls during a hard acceleration. I have a 2002 Duramax with 180,000 on it. All stock and the original injectors. The other day when accelerating hard onto the highway it took off fine but just about 25-30 mph it felt like it stalled out. I let off the throttle and then slowly accelerated fine. There was a puff of blue/white smoke.

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 ...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 …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...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.

And it’s bringing privacy concerns with it. While the coronavirus crisis has been distinctly not great for humans, it’s already been a boon for robots. As humans have stayed home t...

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.

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...LB7 smokes black smoke on light acceleration! Hello everyone, I have a 2001 duramax that I got earlier this year and it has been running great untill the past 2 weeks. It gradually started smoking on light acceleration more and more. On full throttle it smokes like train. When I got it about 4 months ago it could floor it and it wouldnt smoke ...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.Jun 16, 2016 · 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 ... I have a 2005 Chevy with a duramax. I am having acceleration problems. It has trouble building boost and the fuel rail pressure only gets to 10.2Kpsi. This problem is there most of the time but then goes away and the truck runs really well. I have replaced the MASS air flow sensor, accelerator pedal sensor, and had the turbo rebuilt (veins were ...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.1. Snapped Crankshaft. Perhaps the most devastating of all Duramax failures is a broken factory crankshaft. Not only does this mean game-over for the engine, but it results in a truck that’s down for weeks (if not months) and a huge chunk of change missing from your wallet.

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 …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 …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 ...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 …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.

I have a 2005 Chevy with a duramax. I am having acceleration problems. It has trouble building boost and the fuel rail pressure only gets to 10.2Kpsi. This problem is there most of the time but then goes away and the truck runs really well. I have replaced the MASS air flow sensor, accelerator pedal sensor, and had the turbo rebuilt (veins were ...Felt like either the transmission slipping or a fuel injector problem but it went away. Then today, while doing in town driving, it happened again and continued happening. The DIC displayed “Service Emission System”, “Reduce Acceleration”, “Service ESC” and “Service Traction Control”. The check engine light also came on.

Throttle 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 ...There are numerous reasons a car stutters when accelerating, including vacuum leaks, wiring issues and faulty sensors, according to AutoHub 360. In some cases, bad weather can caus...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 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. 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. 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...One 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 addressing ...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... 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.

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-

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.

#1 · May 24, 2016. Hey guys recently my truck won't accelerate past quarter throttle before it starts hopping real bad. Now when I go to accelerate it will build boost but not move right away and then suddenly it will take off like no other like someone flipped a switch telling it to go. Any ideas what's cause this?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.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#1 · May 24, 2016. Hey guys recently my truck won't accelerate past quarter throttle before it starts hopping real bad. Now when I go to accelerate it will build boost but not move right away and then suddenly it will take off like no other like someone flipped a switch telling it to go. Any ideas what's cause this?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. For some reason for the past 2,000 miles (only took a ...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 …The exact MPG any engine gets depends on the vehicle it’s used in, but the 6.6-liter Duramax diesel engine gets an EPA-estimated 15 MPGs in city driving and 20 MPGs on highway driv...

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 ... 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 ...2009 GMC Sierra 2500 LMM, Cognito UCA, TRUXXX Keys, Bilsteins, Sulastic Shackles, 20x9 BMF S.O.T.A. 305/55R20 Pro Comp Xtreme AT's, Firestone Airbags, HID 6000K Low beams & Fogs, 20" LED Light Bar (IN the Bumper), Banks Dual Exhaust, Edge CTS. knotReally, corneredge and Tex Findlay.Instagram:https://instagram. fnaf security breach minecraft modsblack beauty salons in milwaukeeblakes crossing apartments photosstanly county mobile patrol 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.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. For some reason for the past 2,000 miles (only took a ... jan murray net worthark survival evolved artifact locations Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain Acceleration Problems ... Acceleration Problems. Jump to Latest Follow ...Low rail pressure is one of the most common cause of a limp mode in the 2001 – 2010 6.6 Duramax. DTC codes P0087, P0093 or P1093 may set due to low rail pressure. Low rail pressure could be caused by a restricted fuel filter, air in the fuel, a bad pressure relief valve, excessive return fuel from the injectors or a worn CP3 pump. maximum tan salem il 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...FC5452. 3521 posts · Joined 2011. #4 · Aug 31, 2017 (Edited) Replace the oil pressure sending unit. Part number 12616646 $40. What was said above as well check the pig tail for rubs, switch is located right above and to the left of the oil cooler assembly on the driverside block. Sent from my iPhone using Tapatalk Pro.