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1998 Toyota 4Runner

Question: What is a position sensor switch A circuit malfunction

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Visitor, 3.4L V6, Houston, TX, August 15, 2010, 16:57

I code reader shows code P0120 is position sensor switch A circuit malfunction... what does that mean?

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  • Answer #1

    etdrag from ET Motorsports Complete Auto Care, August 16, 2010, 14:55
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    It means the computer is not seeing what it should from the sensor (throttle position sensor). It could be a bad sensor or problem with the wiring for the sensor.

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