Timing belt replacement, things to consider
Whatever you do, do not take your car to an auto parts store for diagnositic work. Store employees are capable only of interpreting your car's stored trouble codes and not of diagnosing and repairing the problem itself. (Your onboard computer stores messages, or trouble codes, in its memory whenever it detects a problem. ) Your technician takes several steps to properly diagnose your check engine light. First, your technician will perform a scan test for stored trouble codes.