chai_ek9

my civic ex idle always bounce bac n forth. but when i jux let it sit it goes as low as 2 to 3 rpm. there no misfiring but when it hits 2000 rpm my car shakes alittle. but it never died though. im jux curous at this. is it like this for a civic or is sumthing wrong?

gents97civ

You need to clean out the iacv on the back of the intake manifold. It is a little black cylinder with 2 bolts connecting it to the manifold.