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Home >> Saab >> 2005 >> 9-3 Linear, 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 37 (TRIONIC T7 Fuel Control System) >> Fault Diagnosis, Fault Codes >> DTC P1131: O2S Switch Point - Lean - Sensor 1 >> Diagnostic help
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Diagnostic help

WARNING: This page is about a different car, the 2004 Saab 9-5. However, it is still accessible from the selected car via links, so may be relevant.

Fault diagnosis concerns an internal fault in the sensor.

Functions in the diagnostic tool related to the fault:

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.
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