Location Of Purge Valve
I have a 2005 Class C with E350 5.4 liter Ford engine. Check engine light came on . I have my own tester and it shows a PO455 code . Gas cap is new so it probably isn't that so googling says most l...
Forum Discussion
enblethen wrote:
Why is gas cap new? I would guess the wrong cap.
Did it start right after new cap?
First the defective gas cap light came on a few months ago to the left of the check engine light. I replaced the cap and that light never came on again but the check engine light came on just recently wit the PO455 code .
