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Subaru A/F Sensor heater circuit
Posted to Technical Discussion Forum on 2/11/2016 62 Replies

Hi Everyone. I have a strange issue on a 2005 Subaru Outback Wagon. The front O2 sensor(A/F sensor) heater isn't operating and the PCM sets P0032 pretty quickly after the engine is started. This is a new development following an engine R&I for head gaskets.

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car Vehicle Data

2005 Subaru Outback Limited 2.5L

Engine2.5 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2005 Subaru Outback Limited 2.5L

Engine2.5 L
Trans4-speed Automatic (Electronic)