idel problem

gota 1990 g60 .....hpII kit from nuspeed ,cam from nuspeed, abd intake, exaust, and my car has an ideling problem....sometimes the idel will be fine any time weather is cold or warm...and also somtimes it will idel going from 1kRPM to 2kRPM......and then some times it will just stick at an RMP like i will drive and in 1st 2nd 3rd 4th or 5th and the rpms will stick and just stay tere.... i have to either shut it off or dump the clutch in a lower gear......... PLEASE HELP......thanx in advance....