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International Automotive Technicians Network
Re: Subaru A/F Sensor heater circuit
Posted to Technical Discussion Forum on 2/12/2016

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Leo, yes, of course. And what was this data based on? The correct OEM part in the circuit? So if the PCM "sees" the wrong value (part) all it does is give a default reading of 255 ohms. The PCM could... Login to read more.