I have the 2021 4x4 suburban RST with 3.0 diesel. Have 12K miles and 3 oil changes on it and everything about it is GREAT !! Great around town, trips, and pulling my 7,000 lb cargo trailer.
A concern I have is that every other diesel I've owned [ for 16 yrs ] needed a fuel additive to keep the...
I've driven a diesel vehicle fro 16 yrs. there's always been a fuel additive to help keep the clean and lubricated.
I have a 2021 suburban with 3.0 Duramax. Have 12,000 miles on it, 3rd oil change... I have asked several Cheve
service techs what fuel additive to use...every one of them has a...
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