Section 12 (Engine Control System - Basic Engine Testing): Summary
WARNING: This page is about a different car, the 1998 Pontiac Trans Sport, 1998 Oldsmobile Silhouette, and 1998 Chevrolet Venture. 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, no trouble codes (or only intermittent ones) were found while performing ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK and driveability problems exist, proceed to TESTS W/O CODES article for diagnosis by symptom (i.e., ROUGH IDLE, NO-START, etc.) or intermittent diagnostic procedures.