Symptom Diagnosis

NOTE: Recommended system and component checks may not apply to all vehicles.

Symptom checks cannot be used properly unless problem occurs while vehicle is being tested. To reduce diagnostic time, ensure Basic Diagnostic Procedures in the BASIC TESTING article and Self-Diagnostics steps in the TESTS W/CODES article have been performed before diagnosing a symptom. Trouble shoot symptom probable causes listed under symptoms in order listed until symptom is eliminated. Symptoms available for diagnosis include:

Engine Will Not Start
Hard To Start
Cold Fast Idle Too Low
Cold Fast Idle Too High
Idle RPM Fluctuates
Misfire Or Rough Operation
Lack Of Power
Engine Stalls