October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Engine Controls - Basic Testing: Summary

If no faults were found while performing BASIC TESTING , proceed to G - TESTS W/ CODES article. If no hard codes are found, proceed to TESTS W/O CODES article for diagnosis by symptom (i.e. ROUGH IDLE, NO-START, etc.), or intermittent diagnosis procedures.