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Home >> Saab >> 2001 >> 9-5 Base, 4D Sedan, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Fault Code Diagnosis >> P1131: O2S - Switch Point - Lean, Sensor 1 >> Fault Criteria

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Fault Criteria

Closed loop blocked in rich mode for more than 35 combustions.

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