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Thread: how does the M20/M30 count engine revolutions?

  1. 05-04-2010, 07:46 AM #1
    Mordan
    Mordan is offline Big, Big Time Poster
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    Default how does the M20/M30 count engine revolutions?

    I would guess crankshaft position sensor but want confirmation.

    thx
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  2. 05-04-2010, 08:58 AM #2
    Tiger
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    Crank position sensor and camshaft position sensor.
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  3. 05-04-2010, 09:11 AM #3
    genphreak
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    Only 4 valve motors use both, M20/M30 have no cam position sensor.

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