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> Intermittent Idle Problem, A/c Related
post Jun 24, 2014 - 11:31 AM
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Poonicus



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Alright so since about 3-6 months ago I've had a rough idle problem whenever the a/c is on, but whenever the a/c is off the car is perfect and this is Texas I kind of need my a/c on. Whenever the car is at running temp and even cold it idles fine at 800rpm but whenever you turn the a/c on it will go up to 1100 or so and then it will shoot down to 100-200rpm and the whole car shakes. I was wondering if this was because of incorrect belt tension, a vacuum leak, bad iac, or because that's what the celica's do when the a/c is running. Any help would be appreciated.


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"As a professor of science, I assure you we did, in fact, evolve from filthy monkey-men." -Prof. Farnsworth
 
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post Jun 24, 2014 - 3:34 PM
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Box



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A/C idle up valve could be at fault, it'd be the first thing I'd check anyway.


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2001 Miata LS 5-speed

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