Engine Controls - Basic Diagnostic Procedures - Fwd Vans: Summary
If no faults were found while performing basic diagnostic procedures, see SELF-DIAGNOSTICS - FWD VANS article. If no Diagnostic Trouble Codes (DTCs) are found in self-diagnostics, see TROUBLE SHOOTING - NO CODES - EXCEPT DIESEL article for diagnosis by symptom (i.e., ROUGH IDLE, NO-START, etc.) or intermittent diagnostic procedures.