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Home >> Subaru >> 2015 >> WRX Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC) (Except STI) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0141 O2 Sensor Heater Circuit (Bank1 Sensor2) >> Outline Of Diagnosis

Outline Of Diagnosis

Detect malfunction of the rear oxygen sensor heater.

Judge as NG if it is determined that the rear oxygen sensor impedance is large by observing the engine conditions.

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