Diagnostic Help

WARNING: This page is about a different car, the 2002 Saab 9-5 and 2001 Saab 9-5. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Oxygen sensor receives reference oxygen from the surrounding air via the connecting cables. For this reason, electrical contact spray or grease must not be used on the oxygen sensor connector. Fault diagnosis concerns an internal fault in the sensor. Functions in the diagnostic tool related to the fault are: Diagnostic status for the diagnosis.