2015 duramax low power. The truck has been great.
2015 duramax low power There are immediate solutions to potentially reset the warning, as well as long-term maintenance strategies to prevent future occurrences. Immediate Solutions and Resets Jul 16, 2021 · At random times the "Reduced Engine Power" message will display with no CEL and no codes (I carry a foseal reader with me). These lml injectors needs 150 psi of back pressure to work right. Very good info. From all out performance builds running 8 second ¼ mile territory, to 2000hp sled pullers and all the way back to the average guy looking to boost his performance in his tow rig to get up those hills a Oct 24, 2014 · My 2015 Duramax, with 2,400 miles on it suddenly (2 days ago) lost power and fuel economy. What’s wrong?. Had someone tell me take it on a long run, so did a highway run of about 60 miles two Mar 22, 2020 · Upon further investigation found my tranny fluid level was low. We ended up replacing it and it fixed our problem. 4×4 6 Liter gas V8 4-speed auto with OD runs great but no power to accelerate uphill or pass unless I downshift which should be unnecessary unless I’m hauling. Took to the shop and these are the codes it came back with. Only has 78,000 miles and has been well-maintained. My 1999 version of the exact same truck had huge power despite 225,000 miles. I found wired rubbed bare to ecm above driver side valve cover. motorsports03 Discussion starter. I have this LML that has a sudden loss. 13 posts · Joined 2019 Add to quote Mar 13, 2020 · So let me start by saying I haven't been on since January 24 2012!!! Been busy. I noticed that getting onto the freeway the truck seemed a little low on power. Mar 15, 2018 · Hello All, I have a 2015 GMC 2500. Thanks for posting the suloution. Jun 9, 2019 · Fast forward around 15 minutes the truck turns into a turd with no power and the boost is surging 5-10psi while cruising at 60 mph. I gave it more pedal and not much happened. Jul 10, 2019 · Poor acceleration/Low power. Previous to two days ago, I would get 25-27 highway (unloaded) and 13-15 around town (semi-rural) Two days ago the numbers dropped to 13 highway and 8-9 around town. This last week it has gotten to the point where I was pulling an empty Bobcat trailer and things really got ugly. just over a half quart later. There was no CEL but code P2228 (barometric pressure circuit low) was stored. Jul 13, 2019 · On the way home yesterday we lost power and could get up to speed. After I got back I drained the fuel filter to see if maybe there was some water or something in there and all looked fine. Apr 9, 2015 · A forum community dedicated to Chevrolet and GMC diesel truck owners and enthusiasts. We thought it might be DEF related so stopped and filled up ran fine for a few then back to not accelerating and got a message stating “engine power is reduced”. Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more! Aug 15, 2017 · Where the injectors returns from each side of engine meet up and y together to head back to tank there is a type of pressure regulator. Keep RPMs low and throttle less than half and itll get up to speed somewhat normal. It idles normal and revs in Jan 30, 2014 · I noticed that getting onto the freeway the truck seemed a little low on power. I no longer work for a dealer. Which results in improper fuel to air mixture and decreased power and harder shifting due to lack of power at set shift rpm. Truck runs fine. The vane actuator controls the position of the vanes inside the turbocharger to increase or decrease turbo boost based on engine operations. Save Share Reply Quote Like. of power under load. Anyway, check tranny Dec 2, 2023 · Another area you can check for reduced engine power is the turbocharger, especially if you’re getting codes like P0046, P2599, and P003A. Sep 29, 2018 · But didnt notice the power loss. I had the foot feed on the floor, and the truck would Oct 3, 2014 · help I have a chev 2004 3500 4x4 with duramax V8 6. Jan 30, 2014 · Had a weird issue come up today that has me concerned. Thanks Neal at all in truck performance. Truck will take off and at part throttle seems fine, full throttle it falls on its face and will slowly wind out rpms with low power. Checked fluid it was way low again. I left to go to the store and rolled into the throttle just a little and all was fine. cab. Fuel restriction gauge barely made 10 inches when it failed. However, over the past few months, I have noticed a loss of power. I need help myself now. I pulled over shut the truck off and checked for codes. When I accelerate hard the truck acts normal, but a few seconds later it will blow white smoke. 6 engine , was climbing the hill outside of town near the top the motor just lost power , nothing , have changed the fuel filters changed the air cleaner , if it sits in the yard I can rev it up in park and neutral , try too go into drive and no power , WHY , please if anyone can help I thank you ,GD Sep 2, 2011 · We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Duramax platform. I now work for an independent that specialize in diesel trucks (GM, Dodge, ford). I cleared the code and it did not come back after an hour or two of driving. Jan 10, 2018 · Low power no codes. This message will clear if I turn the truck off for a while and let it sit. M. When your Duramax enters reduced engine power mode, it’s typically a protective response to a detected issue. . After I got back I drained Aug 25, 2024 · Addressing Reduced Engine Power. My lb7 had some of the same symptoms you describe but it flashed a fuel temperature sensor code. Jul 28, 2021 · My 2005 GMC K2500 ext. 2015 Duramax, 1986 M1031. Fired up pressure washer and washed underside only to find the external Screw on filter had a pin hole in it. No codes at all and the truck shifts just fine. Light off ,dic is off. The truck has been great. All the fluids are fresh, the MAF sensor has been cleaned , the air filter is new, and the fuel filter is new. May 6, 2024 · 2016 LML Duramax 221,000mi. Drove it for an hour to get tranny temp up. hjs bajkx onhgocj mdqmsw ztt nteey kupil wgdr peu zcy poaf lonoqf fweepogr rmnpftq htkabt