“Chuggling” Issue on 2019 L5P Duramax - Chevy and GMC Duramax . . . 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
2025 3500 unstable while towing - Chevy and GMC Duramax Diesel Forum Just upgraded from a 2020 2500 with air bags to a 2025 3500 A few times while towing my loaded 30' enclosed V nose trailer, the truck felt like the front end was floating, (a very strange sensation) When I put the trailer on it sagged the truck 2" I wound up getting slammed by strong Iowa
06 Duramax Reduced engine power message Hello I have an 06 duramax that the reduced engine power message keeps coming on The only code that it is throwing is replace glow plug #7 which I plan on
2019 L5P Limp Mode (Fuel Issues) - Chevy and GMC Duramax Diesel Forum I used my truck to run to hardware store last weekend and driving 35-45 mph through town and it starts "chugging" like it wanted to go into limp mode, but doesn't, but lost fuel power for a couple seconds then it gets "fuel" and takes off, if this makes sense
Misfiring or cutting out when under load. - Chevy and GMC Duramax . . . When towing my toy hauler she cuts out repeatedly when underload, most noticeable when doing about 60mph and need to accelerate Doesn't seem to do it on flat when just cruising, but any little hill where i need a bit more power she starts cutting out or sputtering I'm planning on blocking off
Loud Knocking + SMOKE! - Chevy and GMC Duramax Diesel Forum yeah, it was diesel, not gas, but the knocking was really darn loud and it sounded like a bad rod would in a gas engine Also sounded like it was misfiring, chugging like the timing was messed up ????????????