Section 11 (Engine Controls - Basic Testing - 4.2L): Summary
WARNING: This page is about a different variant/trim than selected.
If no faults were found while performing BASIC DIAGNOSTIC PROCEDURES, proceed to TESTS W/CODES - 4.2L article. If no trouble codes are found self-diagnostics, proceed to TESTS W/O CODES - 4.2L article for diagnosis by symptom (i.e., ROUGH IDLE, NO START, etc.) or intermittent diagnostic procedures.