Section 3 (Engine Controls - Tests W/Codes - GS-R): Summary
WARNING: This page is about a different variant/trim than selected.
If no hard trouble codes (or only pass codes) are present, driveability symptoms exist or intermittent Diagnostic Trouble Codes (DTCs) exist, proceed to the TESTS W/O CODES - GS-R article for diagnosis by symptom (i.e., ROUGH IDLE, NO START, etc.) or intermittent diagnostic procedure.