Check engine light on
2007 Chev Duramax LBZ. My check engine light came on so I have an appointment with the dealer. Took the camper off to take the truck to the dealer. Once the camper was off the check engine light we...
Forum Discussion
mkletka wrote:
Are you sure that you screwed the fuel cap on tight? That can trigger a check engine light.
I had to take my dad's new Lexus back to the dealership for him with the same issue... It was the Gas Cap... Not tight enough or missing... I'd put the camper back on fill it up with gas and put the cap on tight or try a new cap... Drive 30 miles no issues I think you found the problem....
Mike C.
