|
The IAC is used to maintain idle. Opening and closing the throttle body really won't show you much. You best bet is to use a scan tool that has the ability to display datastream. You want to watch IAC counts. 30-40 counts is desirable for hot idle. 160 is maxed out and means you'll have idling troubles. You want to drive the car and watch what they do when you come to a stop as well.
|