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 following articles in the ENGINE PERFORMANCE Section were performed before diagnosing a symptom:

• See: BASIC TESTING
• See: TESTS W/CODES

Symptoms available for diagnosis include:

• Difficult To Start
• Rough Or Unstable Idle
• Engine Hesitates Or Misses
• Poor Fuel Mileage
• Engine Will Not Start
• Engine Starts But Stops
• Poor Response On Acceleration
• Lack Of Power