A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more!

I bought a 2025 GMC Sierra 1500 Denali Ultimate Duramax and overall, I love the truck. It's an absolute joy to drive, and the engine is fantastic. Unfortunately, with barely 3k miles on the truck, I've had …

Dec 11, 2021 · I’ve been looking to get a new truck and was looking at the GMC AT4 1500 with the 3.0 Duramax and was wondering if there are any problems with this motor and what else would I need to …

Mar 17, 2025 · Hello, new to this forum. Thinking about purchasing a 23 or 24 GMC Sierra with the 3.0 Duramax. I drive about 10 miles each way to work, mixed freeway and city. Reading about several …

Nov 25, 2024 · I have a 2022 3500 dually Duramax now and haven't had any problems so far and was wondering if there is any advantage to buying a new truck? Thanks in advance for any pointers! Roy

Jan 13, 2024 · I'm in the market to immediately buy a 2018-2021 SRW DieseI truck. I recently retired and for the past 5 years I've been planning on buying a 3500 SRW diesel Chevy Duramax or Dodge …

May 30, 2022 · The NT530 is a dual-direction scanner that can communicate with a wide range of vehicle sensors and modules. Foxwell says that it offers OEM levels of connectivity and diagnosis to …

Jan 1, 2022 · 2024 gmc Sierra at4x ave 6.6l l5p duramax is stating that the emissions system need to be serviced and I'm also getting a message stating in 120km reduced speed to 88km/h.

Nov 16, 2023 · This applies to ALL 3.0 duramax's and newer 6.6 duramax's too. NO. It does apply to all LM2's. It does not apply to LZO's Full size SUV's are still using the LM2. 2023 and 2024 1500 …

Mar 24, 2022 · My 2021 Duramax with 20K miles randomly gives me the "DEF tank empty" and threatens to reduce my speed. It usually clears itself after a few miles but did go into limp mode …