Section 8 (Engine Control System Tests W/Codes - 3.4L): Introduction: Notes
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If no faults were found while performing basic diagnostic procedures, proceed with self-diagnostics. If no Diagnostic Trouble Codes (DTCs) are present after entering self-diagnostics, proceed to TESTS W/O CODES - 3.4L article for diagnosis by symptom (i.e., ROUGH IDLE, NO START, etc.).