Question about 2002 Kia Spectra

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Rpms when the ac is on and is in drive at a stop sign it won't idle down unless you take it out of drive or shut off the ac and it does not do it all the time could you help me out thanks email cpjchabluetzel@sbcglobal.net

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Some car does this, when you turn on the AC, the engine automatic gets more juice, but not always, sometimes you have to use your left foot touch your break pedal incase.

Posted on Jul 06, 2008

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How will I adjust the rev of carburetor when aircon is on?


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The idle is set for smooth running of the engine( normally 750-900 rpms with a drop of 200-300 rpms with an ac running so set the idle at the upper rpms and it will still be smooth when the ac is on without affecting gear engagement
your problem I take it is that when the ac cuts in the idle rpms drops and makes the engine run rough
This is normal as the ac compressor takes up to 5 hp to drive it
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