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Home >> Subaru >> 2018 >> Crosstrek Premium, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> 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 Driving Cycle
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General Driving Cycle

Perform the diagnosis only once after the enable conditions have been established.