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Originally Posted by outlaws03
94 civic surges at idle, misfires and is running rich. I have try MAP, and IAC, also check for vacum leaks. Anybody got any suggestions
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as far as the misfire also check for exhuast leaks near you manifold as well,and the idle surge i had the same problem and spoke with the dealer and they said the common problem is the fast speed idle valve located under the throttle body it cost about $60 at the dealer. it fixed the idle surge i had. i thought it was the iac as well but it didnt fix the problem, the fast speed idle valve did.