Dec 21, 2024 · 2025 3500, Duramax 6.6 After stopping to refuel the check engine light came on again, took the truck to the dealership, where they updated the software and the light is off, hopefully it is good.

Feb 10, 2025 · As the title states, looking to get some real-world feedback from 2024 and/or 2025 Duramax owners. A little backstory. I had a 2024 2500LT. Beautiful truck. Zero issues. Sold with 6k …

May 25, 2023 · Does anyone have any real world data on the 2024 6.6 Gas V/S 6.6 Diesel fuel economy. Going next week to order my truck, and I'm seriously torn on which to...

Nov 1, 2023 · I have been following the products from Banks Power for the 2024 HD Duramax's and thought I would start a thread for everyone to share their findings and product updates. My truck is a …

Jun 21, 2023 · I went from a 2019 2500HD Duramax to a 2023 2500HD gasser. Here is my reasoning, I pull a bumper pull 8.5 x 27 foot enclosed race trailer when fully loaded weighing in around 9 to 10 …

Feb 18, 2021 · A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, troubleshooting, …

Nov 27, 2021 · Hey everyone. I'm new to the diesel world. I own a 2021 GMC SIERRA 3500 SLT. I want to start changing my own oil. Should I use conventional or synthetic? What is the best oil to use?

Jan 9, 2008 · What is the life expectancy of a Duramax?? I saw some debate about it and that cummins had the longest life expectancy? 1+mil. miles. I have also heard that 1.2 is a viable number for d …

Jul 17, 2021 · Hi Everyone, I'm having trouble finding any information/diagrams on the location of the fuel rail pressure sensor. I have removed the cold air pipe and its still not visible. any insight would …

Mar 30, 2021 · Upper MAP Sensor Spacer Kit for 2017-2025 Duramax L5P The amount of soot that builds up on the L5P MAP sensor is unreal. Our MAP Sensor Spacer keeps your sensor clean and …