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Home >> Subaru >> 2021 >> Outback Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2.5L) (Diagnostics) (4 Of 4) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P2270: O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 2 >> General Description >> Execution Condition
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Execution Condition

Secondary parameters Execution condition
Battery voltage 10.9 V or more
Sub feedback In operation
Amount of intake air 10g/s (0.35oz/s) or more
Rear oxygen element impedance 185Ω or less
Enable conditions at interrupt control are as follows
Continuous time when rear oxygen sensor output voltage is less than 0.55 V 5 s or more
Air fuel ratio reduced from target air fuel ratio Value from Map
EXECUTION CONDITION - MAP

Output voltage of rear oxygen sensor (V) 0.000 0.150 0.200 0.400 0.600
Air fuel ratio reduced from target air fuel ratio
(%)
8 8 4 4 4