Dec 21, 2024 · I have a 2020 Sierra with the 3.0 diesel, having occasional emissions related check engines, most problems is with DEF read out. It continues to be all over the place …

Nov 9, 2022 · Hi All. I have a 2023 1500 with the Duramax. It has 1600 miles in it. I have done two camping trips now pulling my travel trailer that weighs about 5500#. The TT is about 12’ high …

Oct 15, 2023 · Picked up my 2024 3.0 Duramax LTZ 2 weeks ago and noticed a few things that I have questions on. Please note I am using a Scan Gauge III for my data and now have 600 …

Jan 18, 2023 · I suspect it's not a Duramax-specific problem, there's been similar-same issues discussed over on the Tahoe, Suburban, and Yukons forums happening.. sometimes …

2 Posts #81 · Jan 3, 2024 abrooks8081 said: My 23 duramax 3.0 lzo just had the fuel regulator on the fuel rail go out at 7k miles, radio problems it cuts out here and there, drops the call to my …

Apr 14, 2022 · 3.0L Duramax LM2 P0016 code Part 1, DadsGarage Diagnostic Specialist So if you are going to keep this truck, for a long time, you better get a extended warranty, keep all …

Oct 18, 2018 · Official Numbers / Specs : 2019 Duramax 3.0L I6 BoostN Mar 27, 2019 Replies 1 Views 6K Jul 28, 2019

Jan 5, 2026 · GM Duramax 3.0 I6 LM2 Engine Discussion Threads 611 Messages 5,132 Members 834 Latest member cairnsw

Jan 25, 2025 · My 2021 GMC 84 with a 3.0 Duramax developed a loud noise which sounded like engine but the dealer said it was a transmission and recommended full replacement. Luckily I …

Feb 14, 2025 · I got offered a really good deal on a 3.0 duramax and I want to know how reliable this engine can really be. I know about the 150,000 mile oil belt maintenance and that it can be …