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Home >> Subaru >> 2021 >> WRX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 75 (Engine Control System (Diagnostics) (4 Of 4)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P2271: O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 2 >> General description >> Execution Condition

Execution Condition

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.
Secondary parameters Execution condition
Battery voltage 10.9 V or more
Time while the fuel shut-off function is in operation 5000 ms or more
Estimated temperature of the rear oxygen sensor element 450°C (842°F) or more