Section 249 (Engine Controls Self-Diagnostics - 2.2L): Summary
WARNING: This page is about a different car, the 2003 GMC Sonoma and 2003 Chevrolet S10 Pickup. However, it is still accessible from the selected car via links, so may be relevant.
If no Diagnostic Trouble Codes (DTCs) are present and a no-start condition exists, proceed to NO-START DIAGNOSIS in BASIC DIAGNOSTIC PROCEDURES - 2.2L SONOMA & S10 PICKUP article. If no DTCs are present and a driveability condition exists, proceed to SYMPTOMS in TROUBLE SHOOTING - NO CODES - 2.2L SONOMA & S10 PICKUP article for diagnosis by symptom (i.e., ROUGH IDLE, ENGINE STALLS, etc.).