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Home >> Subaru >> 2016 >> WRX Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Diagnostic Trouble Code (DTC) Detecting Criteria) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P2271 O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 2 >> Execution Condition
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Execution Condition

WARNING: This page is about a different variant/trim than selected.
Secondary Parameters Execution condition
Battery voltage ≥ 10.9 V
Deceleration fuel cut for 5000 ms or more. Experienced
Estimated temperature of the rear oxygen sensor element ≥ 500 °C (932 °F)