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 article and TESTS W/CODES articles were performed before diagnosing a symptom.
Symptoms available for diagnosis include:
- Detonation (Engine Knock)
- Difficult Start (Cranks Okay)
- Engine Backfires
- Engine Does Not Start (Fails To Rotate)
- Engine Fails To Idle
- Engine Rotates, But Fails To Start
- Engine Runs Rough (Off Idle)
- Engine Stalls
- Loss Of Power
- Rough Or Unstable Idle