cold idle surge on 2008 Dodge Charger

when i start the engine the idle surges up and down for about 15 seconds then evens only does it after the engine has been off for several hours

Asked by for the 2008 Dodge Charger
1 answer 1 comment
Check and see if the IAC motor is clogged.
first of all; thanks for your reply...what is the lac motor, and how do i check it?