Duramax acceleration problems.

Lack of Power and Authority. Another complaint against the 6.6 V8 is that it simply does not pack any authority at all. The 0 to 60 time is sluggish and sometimes outperformed by the Diesel Duramax engine and is known to struggle even at 75% of towing capacity. Those who are for the 6.6 have argued that it is not a sports car engine …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.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 …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.

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 ... These codes are not related to your acceleration issue. The P1093 indicates issues with the FPRV. Take a look at this thread about doing a bottle test.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 07 Duramax Throttle Position Sensor problems can be a headache for truck owners. The symptoms may range from poor acceleration to engine stalling, causing inconvenience and even danger on the road. Being aware of the signs and getting regular maintenance can help prevent these issues from occurring.

These problems can cause a range of symptoms, including reduced power, poor fuel efficiency, engine overheating, and warning lights on the dashboard. Solutions …3. 384xray Discussion starter. 5 posts · Joined 2021. #1 · Feb 15, 2021. Hello all! I finally got the truck of my dreams having custom ordered, from the factory a 2021 2500 HD, CrewCab, 4x4, Z71. As of today it has 1227 miles on it and from day one there has been issues. 1st issue was pulling to the left which has now been back to the dealer ...

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.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 07 Duramax Throttle Position Sensor problems can be a headache for truck owners. The symptoms may range from poor acceleration to engine stalling, causing inconvenience and even danger on the road. Being aware of the signs and getting regular maintenance can help prevent these issues from occurring.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.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.

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.

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 ...

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 …Open the cap at idle, you'll hear the difference in noise. You can also remove the belt and try to duplicate whether it's front engine pulley related. Should be able to tell without driving the truck, as you won't have any steering or brake assist. 🇨🇱 🚆2007 LBZ 3500 LT3 DRW Crew Cab, Sulastics, Putnam XDR 15K, B&W 30K-Turnover GN ...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 … 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. 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 …I have an '05 duramax. Am having acceleration issues at 2000 rpm. Once I hit 2000, regardless of the gear, it bogs down, loosing acceleration. then it will not run over 2000 rpm in high gear, which is about 65 mph. I have a "superchips" programmer but the truck does the same thing regardless of the settings (stock, etc...) it's like it has a ...

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 ... 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...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 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 ...My lb7 duramax dies under acceleration when warmed up, have replaced injectiors, fprv, new fuel lines, installed a lift - Answered by a verified Chevy Mechanic ... This problem will usually set a low rail pressure code. Other Notes: • If the vehicle has starting issues then the injectors are the most likely cause. Perform the injector return ...

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 ...

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... Both types need a flow of oil all the time. If they do not have a flow of oil all the time, the friction increases and eventually there is bearing damage and this can lead to other damage in the engine.The loss of oil being pumped thru the engine can be varied; pump fails, passageway for the oil becomes blocked, etc.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.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.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...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.Some signs of faulty fuel pumps are dirty engine oil, whining noise and poor acceleration. This problem is common for early Duramax models and need to replace the pump to fix the issue. 2. Crank Start Issues. 3.0L Duramax engine gets the most complains due to the crank start problem.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 …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. 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

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 having problems. Starts good but has no passing power stuck at 65mph. Will work OK for a few days and starts over again.

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.

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. 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 ...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 ...Some signs of faulty fuel pumps are dirty engine oil, whining noise and poor acceleration. This problem is common for early Duramax models and need to replace the …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 …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.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 ...The 3.0-liter Duramax diesel made 277 horsepower and 460 lb-ft of torque; 95 percent of peak torque happened at 1,250 rpm. The official EPA fuel economy ratings were 33/23/27 mph highway/city ...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 ...

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 TPSThere 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 having problems. Starts good but has no passing power stuck at 65mph. Will work OK for a few days and starts over again.Instagram:https://instagram. jordan halsethnavyist rewards credit card loginkaci beeler domino'shead shops akron ohio 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. ankhan zone tank duo instructions Although the Duramax LMM engine was way ahead of its time, there are 10 common problems with it, including low fuel rail pressure, winter starting issues, DPF problems, water pump issues, gasket failure, piston failure, etc. Let’s discuss these problems and possible solutions. 01. Low Fuel Rail Pressure. Fuel filter problems cause low fuel ...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 ... hannam chain weekly special 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 ... As a reminder, the 6.6L V8 L5P turbodiesel Duramax diesel engine found under the hood of the 2024 Chevy Silverado HD is rated at 470 horsepower at 2,800 rpm and 975 pound-feet of torque at 1,600 rpm.See full list on dieselpowerproducts.com