need help with my idle, its getting worse, it goes up and down, it goes between 100-2100, this morning it cut out 4 times on me when i had to stop. idle control valve is brand new, and the tps checked out fine. sometimes when the revs go down it will flick back up and stay at about 3-4000 revs for about 10 secs, it also is kangarooing at low revs so i have to keep on dipping my revs, its doing my head in please help getting desperate