Engine Controls - Tests W/Codes - 4.2L: Summary
If no diagnostic trouble code is present but driveability problem still exists, proceed to TESTS W/O CODES - 4.2L article in this section for symptom diagnosis or intermittent diagnostic procedures.
If no diagnostic trouble code is present but driveability problem still exists, proceed to TESTS W/O CODES - 4.2L article in this section for symptom diagnosis or intermittent diagnostic procedures.