Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!
I am not sure if I am going to be able to diagnose my P2646 issue without a pro scanner and my very limited knowledge, haven't had much luck so far. I wanted to know if anyone had recommendations of a good diagnostic tech (Honda preferred but not necessary) in the Pittsburgh region? Thanks