1st Problem!
Engine: D15
Ok so ive replaced my old iacv with a used one && on cold starts SOMETIMES it idles fine
& SOMETIMES it idles like crazy. [i dont have a tach so dont know to what rpm]

So if its not the Iacv what other problem could be causing it to idle alot? Throttle Body???
I STILL HAVE THIS PROBLEM TO THIS DAY! HELPP!!!

SOME SAY IT CAN BE THE INTAKE MANIFOLD THATS CLOGGED UP??