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  1. “Chuggling” Issue on 2019 L5P Duramax - Chevy and GMC …

    Oct 26, 2018 · 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 …

  2. P0336 and chugging - Chevy and GMC Duramax Diesel Forum

    Mar 2, 2016 · P0336 and chugging Jump to Latest 29K views 19 replies 4 participants last post by jahush May 14, 2016 jtyson8602 Discussion starter

  3. PIP5480A - Chugging, Stumble, Harsh Tip- In/Tip-Out

    Jan 27, 2019 · The “chugging / stumble” issue occurs with & without tow haul mode engaged on this downhill unless I manually downshift the truck to keep the rpm’s up. Sad that we have to …

  4. 2025 3500 unstable while towing - Chevy and GMC Duramax …

    Nov 30, 2024 · 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 …

  5. Lly "chugging" | Chevy and GMC Duramax Diesel Forum

    Apr 12, 2017 · Lly "chugging" Jump to Latest 8.1K views 15 replies 4 participants last post by Alec S. Apr 26, 2017 Alec S. Discussion starter

  6. 02 chugging at idle - Chevy and GMC Duramax Diesel Forum

    Apr 15, 2014 · 02 chugging at idle Jump to Latest 5.4K views 4 replies 3 participants last post by chevittup Apr 18, 2014 ZeroSystem Discussion starter

  7. 06 Duramax Reduced engine power message

    Mar 17, 2011 · 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...

  8. Misfiring or cutting out when under load. - Chevy and GMC …

    Jul 13, 2017 · 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 …

  9. White/blue smoke chugging and clearing up - Chevy and GMC …

    Dec 22, 2012 · White/blue smoke chugging and clearing up Jump to Latest 4.1K views 6 replies 5 participants last post by Dmaxster Jan 14, 2013 2

  10. Loud Knocking + SMOKE! - Chevy and GMC Duramax Diesel Forum

    Jul 3, 2007 · 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 …