Hello. I've had an ongoing problem with my 2008 Corvette for over a year. I have reoccurring fault codes of P0171 and P0174, fuel trim lean on bank one and two. I have had the car to four shops and ...
My 2013 Holden Cruze has a 171 code (running too lean) I replaced the PCV and the purge valve and it’s still running lean. I replaced both because the purge valve was stuck open and the PCV was ...