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<blockquote data-quote="svtcobra1320" data-source="post: 5868777" data-attributes="member: 44202"><p>In agreeance with above.....</p><p>unplug the IAC after you start the car, if the car dies or idle drops significantly, it is OK...if there isn't any change, the IAC is bad.</p><p></p><p>Look closely at the TB, can you see that the butterfly is shut ALL the way? Is there some carbon/oil build up around the blades? If so, that could cause the high idle. Carb cleaner will work fine if you don't have TB cleaner(pretty much the same crap, just labled differently)</p><p></p><p>I made a restricter plate for the IAC to cure the 'hanging idle' problem. Just took the bottom of a Pringles can and traced out the gasket, cut the metal, drilled the holes, sanded the edges a little and installed it. Idle immediatly drops during shifts, inital startup, and blipping the throttle.</p></blockquote><p></p>
[QUOTE="svtcobra1320, post: 5868777, member: 44202"] In agreeance with above..... unplug the IAC after you start the car, if the car dies or idle drops significantly, it is OK...if there isn't any change, the IAC is bad. Look closely at the TB, can you see that the butterfly is shut ALL the way? Is there some carbon/oil build up around the blades? If so, that could cause the high idle. Carb cleaner will work fine if you don't have TB cleaner(pretty much the same crap, just labled differently) I made a restricter plate for the IAC to cure the 'hanging idle' problem. Just took the bottom of a Pringles can and traced out the gasket, cut the metal, drilled the holes, sanded the edges a little and installed it. Idle immediatly drops during shifts, inital startup, and blipping the throttle. [/QUOTE]
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