Idle Speed Controller - Stepper Motor - EVO 5 6 CP9A If your engine idling is going up and down like a fiddlers elbow then this could well be the reason.
Supplied as an aftermarket Copy 2-3 Days or Genuine Mitsubishi (2-3 weeks) For an Exploded Diagram of inlet manifold and Throttle body Click HERE Mitsubishi Part Number MD614921