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Home >> Subaru >> 2015 >> BRZ Series.Blue, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnostics (1 Of 3) >> DTC P2271 O2 Sensor Signal Biased/Stuck Rich (Bank 1 Sensor 2) >> Enabling Conditions
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Enabling Conditions

Overlap prohibited DTC None
Battery voltage 10.9V or more
Amount of deceleration fuel cut is 5000 ms or more Experienced
Estimated oxygen sensor element temperature 450°C (842°F) or more
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