Hmmm...low idle huh? Well see if this one works for you since you have same problem w/ my sister 2003 CRV before.
What I do is remove two 12mm bolts on the iac valve may dalawang butas(hole) doon, huwag mo nang tanggalin yong coolant line's at yong plug it will moved away from the intake, clean the screen in one hole w/ good strong Carburator cleaner.