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bad trans causes high idle?

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    bad trans causes high idle?

    have an auto 89 325i, did all kinds of tune ups with filters, pump valve adjust etc. fixed my cold start issue, problem now is soon as I turn it on, it jumps around 1200-1500 in P, N D 321.

    when i put it in R, it goes back to normal 700 rpm. only R works on this trans. there are no functioning forward gears.

    kinda confusing, is there a sensor of some sort in the trans or computer that triggers this?

    #2
    There is no connection between your dead trans and idle..other than that putting it in a working gear will add a load that will slow your idle. First thing to do it check for intake leaks and a smoke test is the most effective way to do that.
    Seat Shocks....I have passed the baton to John Christy from Ninestitch. Email John or Garrett at ninestitch1@gmail.com

    https://www.r3vlimited.com/board/sho...86#post4944786
    Alice the Time Capsule
    http://www.r3vlimited.com/board/showthread.php?t=360504
    87 Zinno Cabrio barn find 98k and still smells like a barn. Build thread http://www.r3vlimited.com/board/show...20#post3455220

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