Section 1 (Engine Controls - Self-Diagnostics): Summary
WARNING: This page is about a different car, the 2000 Saab 9-5 and 1999 Saab 9-5. However, it is still accessible from the selected car via links, so may be relevant.
If no hard DTCs are present, proceed to TROUBLE SHOOTING - NO CODES article for diagnosis by symptom (i.e., rough idle, no start, etc.) or intermittent diagnostic procedures.