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Home >> Subaru >> 2021 >> Crosstrek Hybrid >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Engine Control System (2.0L (Except For HEV)) (Diagnostics) (1 Of 4)) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P014C: A/F/O2 Sensor Slow Response - Rich To Lean Bank 1 Sensor 1 >> General Description >> Outline Of Diagnosis

Outline Of Diagnosis

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Detect the delayed response of the front oxygen (A/F) sensor.

For diagnosis, detect the trouble by processing the λ waveform in normal driving without forcibly changing the target air fuel ratio.