Quote Originally Posted by GuilioG
its a jdm gsr motor when i start the car it idel's at 3,000 and then when it starts to warm up the rpm's start jumping up and down bad...and it stays like this now when i drive . any idea's...thanks

right below the throtle body there are 2 screws that hold in a spring there is a plastic piece that comes un-screwed for some dumbass reason thats what mine was doing till i screwed the plastic piece back together mybee that will help you out if not its the IACV just clean it good with carbin cleaner not to get the plastic area wet.