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Home › Subaru › 2021 › Forester Base › Repair and Diagnosis › Engine Performance › System › Engine Control System (Diagnostics) (1 Of 4) › Diagnostic Procedure With Diagnostic Trouble Code (DTC) › DTC P0140: O2 Sensor Circuit No Activity Detected Bank 1 Sensor 2 › General Driving Cycle

General Driving Cycle

Perform the diagnosis every time after the enable conditions have been established.

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