reving up and down? on 1991 Acura Legend

thanks you answering my question.now i would like to know do i need to replace the cold idle valve right away?will it damage my car at all?

by in Bismarck, ND on March 30, 2009
1 answer 1 comment
ANSWER by on April 03, 2009
No, it shouldn't. but it may cause surging when you are driving in a parking garage or something so be careful.
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COMMENT by on December 13, 2012
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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my car revs up and down when in park but it only does it sometimes,what could it be and how much do you think it would cost to switch it?