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idles high when A/C is on

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Old May 15, 2010 | 09:50 PM
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From: citrus heights ca
Default idles high when A/C is on

so i had my a/c on today while i was out,and when i come to a stop and push the clutch in the rpms are at 1500-2000.i turn the a/c off and the idle drops down.turn the a/c on and the idle goes up.if i have the a/c on 1 the idle is at 1500rpm if i turn it to 3-4 it goes to 2000rpms.
any idea on what would cause this?hope it's not my compressor going out.

thanks
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