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 - Turbo: Summary

If no faults were found while performing BASIC DIAGNOSTIC PROCEDURES, proceed to the TESTS W/CODES article. If no diagnostic trouble codes are found in self-diagnostics, check for a trouble symptom. If trouble symptom exists, such as stalling, hard starting, etc., proceed to TROUBLE SYMPTOM INSPECTION table and then perform a specified inspection procedure.