Section 5 (Engine Controls - Basic Testing - 3.5L): Summary
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If no faults were found while performing BASIC DIAGNOSTIC PROCEDURES proceed to appropriate TESTS W/CODES - 3.5L article. If no hard codes are found in self-diagnostics, proceed to appropriate TESTS W/O CODES article for diagnosis by symptom (i.e., ROUGH IDLE, NO-START, etc.) or intermittent diagnostic procedures.