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 have a 1999 mercury cougar 2.5l V6 and I’m stumped on what is going on. I have no speedometer but my tec is working and my auto transmission will not get out of first or second and it just spins as I’m going down the road it will go back into gear as I take my foot off the gas!