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Old 07-25-2007, 01:17 PM
brewtoo brewtoo is offline
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Join Date: Dec 2000
Location: AL
Posts: 1,219
Quote:
Originally Posted by cdplayer View Post
It is normal for the air compressor to cycle, as you say, at idle to help stablize engine vibration. Helps to eliminate that chug chug chug feeling while you sit waiting at the light.
First I've heard of that.

I thought the engine had an idle control valve to raise the idle speed slightly when the compressor was on.

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