Engine Controls - Tests W/Codes - 4.3L: Summary

If hard fault codes are not present and driveability symptoms or intermittent codes exist, proceed to appropriate TESTS W/O CODES article in this section below for diagnosis by symptom (i.e., ROUGH IDLE, NO START, etc.), or intermittent diagnostic procedures.

• H - TESTS W/O CODES (for Astro & Safari)
• H - TESTS W/O CODES (for "S" & "T" Series)
• H - TESTS W/O CODES - GASOLINE (for "C" & "K" Series)
• H - TESTS W/O CODES - GASOLINE (For "G" & "P" Series)