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Home >> Saab >> 2002 >> 9-5 Arc, 4D Sedan >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Fault Code Diagnosis >> P1131: O2S - Switch Point - Lean, Sensor 1 >> Diagnostic Help

Diagnostic Help

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.
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