I started my 2003 F250 Ford V10 eng with 105K miles. One owner, looks new. The check eng light came on and stayed on. I took it into the Ford place here in Yuma and 3 hrs later they said I need a new ...
When my light came on the engine had stumbled a couple times, but ran fine after. Took a couple days to get the computer in and the truck ran fine during the wait. This was under warranty so the dealer wasn't getting into my pocket. OnStar sent an email telling me critical error code and must be serviced soon.