Have started having idle problems lately. Engine will surge at start up and eventually settle. Then the idle will start to wander. It will hold at 1500 and then drop back top normal, then back up and down, etc. Ideas on what to work on to fix? IAC, TPS? Its an 02 4.7L Dakota. Thanks.

 

When is the last time you cleaned the throttle body and IAC motor. I would start there first