F20b Knock Sensor Location

Discussion in 'Engine & Transmission Mods' started by jponder4, Nov 23, 2013.

  1. jponder4

    jponder4 Member

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    I have almost everything wired in but I cannot find a place for the knock sensor. I don't think the F20B has a knock sensor, but is there I place I can add one from my f23a1?
     
  2. BlkCurrantKord

    BlkCurrantKord Super Moderator

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    If it has one, which is very well might not being that it's from a different country, there should be a spot on the back of the block near the filter that you can drill out.

    FYI - if you're going OBD1, you don't need it. If you're staying OBD2, you will need it.
     
  3. jponder4

    jponder4 Member

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    I looked back there and didn't see an available port. I am planning to stay obd2. Do you know if I can just tap a hole that is unused that is near the oil pan. Ill try to post a pic when I get home of where the hole currently is.
     
  4. BlkCurrantKord

    BlkCurrantKord Super Moderator

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    Pretty sure that's exactly what I told you
     
  5. jponder4

    jponder4 Member

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    You did, but to clarify, the hole is considerably lower than the oil filter. I should have said can it go anywhere in the block or does it have to be near the placement on the stock motor?
     
  6. nathan007

    nathan007 Well-Known Member

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    the F20b engine (at least 97-00) DOES have a knock sensor, it's located right under the head,under the intake manifold. It may be broken off tough.

    Green plug above oil filter in this pic:

    [​IMG]

    the one under the oil filter is the oil pressure switch
     

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