Symptom Diagnosis
Symptom checks cannot be used properly unless problem occurs while vehicle is being tested. To reduce diagnostic time, ensure steps in BASIC DIAGNOSTIC PROCEDURES article and appropriate SELF-DIAGNOSTICS article were performed before diagnosing a symptom. Select the symptom that most accurately describes the vehicle's driveability problem and then perform that test. If the test performed does not repair the problem, continue with the next test in sequence until the problem is found and repaired. Symptoms available for diagnosis are as follows: