Enable Criteria
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.
General conditions for this trouble code: Atmospheric pressure must exceed 72 kPa and the engine coolant and intake air temperature must be above -7°C.
Engine running. Closed loop blocked in rich or lean mode for a number of combustions in order to maintain a voltage of 0.6 volts from oxygen sensor 2. The number of combustions required is adapted.