I had this issue on my 07 Yukon after having the fuel pump replaced by the dealer. I replaced the vent solenoid, gas cap, and purge valve. Turns out it was one of the hoses that attaches to the fuel tank. Dealer forgot to re-connect it.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.