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Home >> Volvo >> 1998 >> S70 GLT >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/O Codes >> Symptoms >> Symptom Diagnosis

Symptom Diagnosis

When a diagnostic code cannot be confirmed or problem cannot be confirmed in BASIC DIAGNOSTIC PROCEDURES, find basic symptom. For example, vehicle will not start. Appropriate heading matching vehicle symptom is DOES NOT START. Listed under DOES NOT START are more specific conditions. Find specific condition which best describes vehicle malfunction. Perform checks in order given. DO NOT skip steps.

NOTE: Even if a diagnostic code is not set, this article may refer you to a test procedure for a specific diagnostic code in TESTS W/CODES article.
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