Section 214 (Engine Controls - Basic Diagnostic Procedures): Summary
WARNING: This page is about a different car, the 2003 Saturn LW200 and 2003 Saturn L200. However, it is still accessible from the selected car via links, so may be relevant.
If no faults were found while performing basic diagnostic procedures, or no trouble codes (or only intermittent ones) were found while performing diagnostic system check, and driveability problems still exist, proceed to appropriate TROUBLE SHOOTING - NO CODES - 2.2L SATURN "L" SERIES article for diagnosis by symptom (i.e., ROUGH IDLE, NO-START, etc.) or intermittent diagnostic procedures.