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Home >> Subaru >> 2009 >> Outback XT Limited, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0420 Catalyst System Efficiency Below Threshold (Bank 1) >> Component Description
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Component Description

Fig 1: Identifying Front Oxygen (A/F) Sensor, Front Oxygen Sensor And Catalytic Converter
G06335973Courtesy of SUBARU OF AMERICA, INC.
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