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 TESTING and G - TESTS W/ CODES articles in the ENGINE PERFORMANCE Section were performed before diagnosing a symptom. These symptoms are available for diagnosis.

• No Start Or Hard Start
• Rough Idle
• Rough Idle Or Stumble
• Hesitation Or Poor Acceleration
• Poor Fuel Mileage