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d16y8 intake manifold trouble

Discussion in 'Civic and CRX - EF' started by gross69m3, Sep 16, 2006.

  1. gross69m3

    gross69m3 New Member

    Likes Received:
    Sep 16, 2006
    i got a 2000 civic ex i took the stock d16y8 intake manifold off and found out the aftermarket manifold doesnt even fit so i put the d16y8 manifold back on and now it starts but idles at like 2grand which is higher than normal for my car, when you hit the gas it revs high then low high then low over and over again does anyone know if thats like a sensor that wasnt plugged in or something? i need help i dont know whats wrong with it.
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