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Q: reving up and down? on 1991 Acura Legend

thanks you answering my i would like to know do i need to replace the cold idle valve right away?will it damage my car at all?
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No, it shouldn't. but it may cause surging when you are driving in a parking garage or something so be careful.
I have the same problem, finally ordered an IACV. I go 35-40 mph without putting my foot on the gas!
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