The check engine light is your car’s way of alerting you that something's amiss — but it could be as minor as a loose gas cap, or more serious, like a faulty oxygen sensor. Repair costs for ...

Ignore that light and risk higher emissions, lower mpg, reduced power, and severe engine damage Rislone Cat Complete Clears Check Engine Lights Three of the main reasons the check engine light or ...

What Your Check Engine Light Means and What To Do About It Get yourself an OBD-II scan tool, the first step in diagnosing modern automotive troubles.