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AC pulls the RPM of the engine up?

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Old Jun 22, 2008 | 05:58 PM
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edwinproxp
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Default AC pulls the RPM of the engine up?
Hey guys I just realized something interesting about my 350z. If I turn on the AC, the idle rpm goes up from 850 to 1000. When I switch it off it drops back to 850rpm. Is this normal?
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Old Jun 22, 2008 | 06:25 PM
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Yup, I've seen it happen in every car I've owned for the last 30 years. RPMs are bumped up, I assume to offset the extra load from the A/C compressor and fan.
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Old Jun 22, 2008 | 07:22 PM
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edwinproxp
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I am curious about what rpm does your car have under Idle with AC on and Idle without AC on. Thx
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Old Jun 22, 2008 | 07:26 PM
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good one, you had me there for a micro second
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