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LT188GT
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AUG 19, 09:50 PM
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When replacing a I. A. C. valve on a 2004 Sunfire, is there a pre adjustment to be made like there is on a Fiero IAC?
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Stubby79
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AUG 20, 09:09 AM
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No, you shouldn't have to on anything modern. If you do, the guys at GM should be shot.
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LT188GT
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AUG 20, 03:42 PM
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I went to the local Chevy dealer and he printed out the replacement procedure which states to match it up with the old one.
Install the replacement IAC.
Turn ON the ignition with the engine OFF.
Turn OFF the ignition for 10 seconds.
Start the engine and check for proper idle operation.
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