Symptom Related Diagnostic Procedures
Symptom Troubleshooting Index:
Symptom Troubleshooting Index
These symptoms DO NOT trigger Diagnostic Trouble codes (DTCs) and cause the Malfunction Indicator Lamp (MIL) to come on. If the MIL is reported on, check for DTCs. If the vehicle has one of these symptoms, do the diagnostic procedure for it, in the sequence listed, until you find the cause.