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2009 Kia Sportage Question: My 2009 Kia Sportage 2.0 litre engine is surging at cold start up



, 2.0L 4 Cylinder, Vidor, TX, December 31, 2012, 14:35

My 2009 Kia Sportage 2.0 litre engine is surging at cold start up, it revs up and down for about 30 seconds. Once in gear this stops. I took it to dealership for oil change and reported surging and was told it there was a code for emissions switch. When I took it back for the repair they were not able to duplicate the problem, so I can only assume they did not change the switch, but have not been able to get a black and white answer. It continues to surge on cold start up. I ran across a forum where others have experienced this surging but their inquiry was unanswered, curious as to your thoughts.

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  • Answer #1

    December 31, 2012, 14:38

    it sounds like an idle air control problem

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    , December 31, 2012, 15:47

    Could be, I found another blog with same conclusion, "idle speed control air-bypass & throttle valve" gunk build-up over time. Thank you for your comment.

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    , March 17, 2013, 16:01

    Replaced mine with a new one a few weeks ago
    Did not make one bit of difference to cure the problem ?????
    If you know the fix, please contact me at auburn386@yahoo.com
    Thanks Jay in ARK.

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