Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Subaru >> 2023 >> Outback Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (Engine Control System (2.4L) (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

Execution Condition

WARNING: This page is about a different variant/trim than selected.
Secondary parameters Execution condition
Battery voltage 10.9 V or more
Sub feedback In operation
Amount of intake air 10 g/s (0.35 oz/s) or more
Estimated temperature of the rear oxygen sensor element 450°C (932°F) or more
Enable conditions at interrupt control are as follows
Continuous time when rear oxygen sensor output voltage is less than 0.55 V
5000 ms or more
Air fuel ratio reduced from target air fuel ratio 10%