SYMPTOM DIAGNOSIS
Symptom checks cannot be used properly unless problem occurs while vehicle is being tested. To reduce diagnostic time, ensure steps in TESTS W/CODES article were performed before diagnosing a symptom. Following symptoms are available for diagnosis.
- Engine Hard To Start
- Engine Surges At Idle
- Engine Has Rough Idle When Warm
- Engine Misfiring Under Load
- Engine Has Low Power
- Excessive Fuel Consumption
- Engine Will Not Shut Off
- White Or Blue Exhaust Smoke
- Incorrect Idle Speed
- Engine Speed Will Not Increase