Marvel Mystery Oil
Any one ever add this to fuel in your diesel trucks? The only reason I ask is my 07 Duramax developed a light surging at idle. Researching the issue it is a fairly common problem especially with tr...
Forum Discussion
My owner's manual for my new 2015 Chevy Impala (3.6 V6), says not to put anything in the engine, other than those lubricants indicated by GM.
Think it would be the same for the truck line.
Think it would be the same for the truck line.
