LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

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Old 10-01-2003, 11:44 AM
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Question Iac

Is it possible to have a bad IAC and not throw any codes?
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Old 10-01-2003, 12:29 PM
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yes. Mine on my OBD1 was packed with crud. replaced i with a new one and it idles so much better .
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