Elantra A/T 2nd to 3rd over revs

Discussion in 'Hyundai Elantra / Lantra' started by jmh_ottawa, Mar 21, 2005.

  1. jmh_ottawa

    jmh_ottawa Guest

    A problem i have noticed recently is that when my automatic trans shifts
    from 2nd to 3rd it seems to over rev before making the change and isn't
    smooth like all other gear changes.

    About a month ago i had the pulse genrator changed as i was experiencing a
    shift down into 3rd (fail safe) from overdrive. This problem went gone away
    after the sensor was replaced ($200cdn part).

    Any advice on possible cause to this and what may be needed to solve it?

    I don't have any codes as i've not had it to the dealer yet and the light
    i have on right now refers to a purge valve needing to be replaced.
    jmh_ottawa, Mar 21, 2005
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  2. jmh_ottawa

    hyundaitech Guest

    There is a reprogram available for '01 and '02 Elantras with this
    hyundaitech, Mar 21, 2005
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  3. jmh_ottawa

    jmh_ottawa Guest

    Thanks again hyundaitech!
    jmh_ottawa, Mar 21, 2005
  4. jmh_ottawa

    Eric G. Guest

    I've got this same problem on my '03. It seems to have just developed over
    the last few weeks. Would this reprogram apply as well?

    Eric G., Mar 22, 2005
  5. jmh_ottawa

    hyundaitech Guest

    The reprogram I found doesn't apply to the '03. It should already have the
    updated software from the factory. You may have a more serious issue. You
    may wish to take it in and have it checked.

    You could try disconnecting the battery and seeing if it goes away after
    the transmission computer relearns. I'd doubt it, but it may be easier
    than going to the dealer first. The downside of this is that it would
    erase any stored diagnostic info.
    hyundaitech, Mar 22, 2005
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