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 appropriate BASIC TESTING and TESTS W/CODES articles were performed before diagnosing a symptom.

• For Esteem, see BASIC TESTING and TESTS W/CODES .
• For Sidekick, see BASIC TESTING - 1.6L and TESTS W/CODES - 1.6L or BASIC TESTING - 1.8L and TESTS W/CODES - 1.8L .
• For Swift, see BASIC TESTING and TESTS W/CODES .
• For X-90, see BASIC TESTING and TESTS W/CODES .

Symptoms available for diagnosis include:

• Difficult Or No Start (Cranks Okay)
• Engine Misfires Or Has Lack Of Power
• Rough Or Unstable Idle
• Engine Hesitates
• Engine Surges
• Spark Knock/Detonation
• Poor Fuel Mileage
• Fails Emission Test
• Overheating