Knock sensor

Discussion in 'General Subaru Discussion' started by prezawagon, Jul 19, 2005.

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  1. prezawagon
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    prezawagon Well-Known Member

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    Anyone know how to test a knock sensor? My car has a P0325 DTC. I pulled the knock sensor off and tested it with my multimeter, and I'm getting zero continuity through it (infinite resistance). Just wondering what it's supposed to be at. I would expect there is an acceptable resistance range for the sensor?

    I seem to remember reading a while ago about trouble with impreza knock sensors, and that is usually wasn't the sensor itself. Anyone have any experience with this?

    Thanks,
    Joel
     
    prezawagon, Jul 19, 2005
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  2. RichWRX
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    RichWRX Well-Known Member

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    My whife had the same code on her Rs, they changed the knock sensor and thew code cleared
     
    RichWRX, Jul 19, 2005
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  3. prezawagon
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    prezawagon Well-Known Member

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    Ok, thanks. So I guess the sensor itself can go bad.

    Anyway, I couldn't do anything about it tonight so I just cleaned all the corrosion off of the parts and retourqed it to 17 ft lbs. We'll see if the code comes back on the way to work tomorrow.
     
    prezawagon, Jul 19, 2005
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  4. TSTRBOY2004
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    TSTRBOY2004 Well-Known Member

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    just sent ya an email with a doc attached for a diagnostic procedure for checking that code...
     
    TSTRBOY2004, Jul 20, 2005
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