EJ25 Subaru Knock Sensor

Discussion in 'General Motoring' started by NAC, Apr 30, 2006.

  1. NAC

    NAC Guest

    I have a bad knock sensor code and want to replace the knock sensor.
    The problem I have is trying to find this sensor. I've searched this
    group and other sources and have not found something that will help me
    locate this sensor. Can someone help me find it.

    The car is a 1999 Outback with an EJ25 engine.


    NAC, Apr 30, 2006
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  2. NAC

    S Guest

    Hi NAC!

    Look for a black cylindrical thingie bolted to the engine block more
    or less centered, below and behind (damned near underneath) the intake
    manifold. Some have a wire with a plug, some have the plug right on
    the sensor.
    You'll probably have to move a fair bit of intake plumbing and
    assorted wiring to get to it, but once exposed, a 12mm (IIRC) socket
    on a medium extension will suffice to extract the beast.

    ByeBye! S.
    Steve Jernigan KG0MB
    Laboratory Manager
    Microelectronics Research
    University of Colorado
    (719) 262-3101
    S, May 4, 2006
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