Symptom Diagnosis

Symptom checks cannot be used properly unless the problem occurs while the vehicle is being tested. To reduce diagnostic time, ensure steps in BASIC DIAGNOSTIC PROCEDURES and appropriate SELF-DIAGNOSTICS article were performed before diagnosing a symptom. Symptom checks are listed in order of probability, ease of accomplishment, and accessibility. Symptoms available for diagnosis are as follows:

• Engine Hard To Start (Turns Over)
• Engine Does Not Start (Does Not Turn Over)
• Engine Hesitates Or Misses
• Engine Knock
• Loss Of Power
• Poor Fuel Mileage
• Rough Or Unstable Idle