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Home >> Subaru >> 2017 >> Forester 2.0XT Touring >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (Engine Control System (Diagnostics) (P000A To P015B) (H4DO)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0141 O2 Sensor Heater Circuit Bank 1 Sensor 2 >> Outline Of Diagnosis

Outline Of Diagnosis

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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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