Idle rpm
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Thread: Idle rpm

  1. #1
    Riding Lawn Mower 98charlize's Avatar
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    Apr 2014
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    Year
    2011
    Make
    kia optima
    Model
    2011 optima lx
    Trim
    lx

    Idle rpm

    I was wondering what everyone is idling at with a/c on and off. My 2011 lx sits at 600 rpm no matter if a/c is on or off. A problem I have is in the Phoenix summers at idle the a/c go's warm. And if this is inteed low how can I raise it? Thanks.

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  3. #2
    Riding Lawn Mower
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    Aug 2014
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    2015
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    Kia
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    Optima
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    EX
    The idle on my 2015 2.4L is also 600rpm under all conditions. I think a change in idle speed would require reprogramming the ECU. Does increasing the idle speed by giving it a little gas when stopped increase the A/C output?

  4. #3
    Riding Lawn Mower ZohmBii's Avatar
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    2016
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    You might even have low freon in your AC system. That could be causing the issue.

  5. #4
    Shuttle Driver osbornk's Avatar
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    Oct 2011
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    My 2011 idles at the same speed regardless of AC. It was an EX with automatic temperature control so the AC compressor was going on and off most of the time anyway. The speed never varied.
    2011 Spicy Red EX with Premium Package

  6. #5
    Riding Lawn Mower 98charlize's Avatar
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    2011
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    kia optima
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    2011 optima lx
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    lx
    Quote Originally Posted by turnbowm View Post
    The idle on my 2015 2.4L is also 600rpm under all conditions. I think a change in idle speed would require reprogramming the ECU. Does increasing the idle speed by giving it a little gas when stopped increase the A/C output?
    Yes if I bring it to 1k or higher it cools down. I checked the Freon level and it is in the good zone. i was wanting to add remote start for the summer so the kids seats are not 250 degrees. But if it won't cool at idle what's the point.

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