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Old 03-12-2012, 07:50 PM   #1
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idle

Why would my car idle real high while air is on the idle low almost turn off ??? It goes up and down (idle) only happens when air is on
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Old 03-13-2012, 12:47 AM   #2
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Just compression from your ac being on I believe.
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Old 03-13-2012, 08:56 AM   #3
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Quote:
Originally Posted by 98mustang11
Why would my car idle real high while air is on the idle low almost turn off ??? It goes up and down (idle) only happens when air is on
They compressor kicking on and off can cause the idle to change.
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Old 03-13-2012, 09:46 AM   #4
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Yup that's y they drink more gas with ac running
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Old 03-13-2012, 02:19 PM   #5
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The car isn't running right at all with the air on when I press the gas it stalls then goes
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Old 03-13-2012, 07:37 PM   #6
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Re: idle

A weakening battery/alternator. It should smooth out within a coupe days while the computer learns the driving habits.
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