B16, B18, B20
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By Aldo91
#338760 hey guys so my car idles fine on start up when the engine is cold, but as soon as it gets up to temperature it starts having a rough idle problem i cant seem to figure out what it is, I cleaned and checked the IACV and the other one under the intake the one thats supposed to be screwed on. any input is appreciated. oh and timing seems to be fine also but im open to suggestions guys.

thanks in advance.