If you look at the top of the throttle body, right behind the bores, there is the well for the IAC intake. If you can cover the hole with your finger, give it a shot, otherwise, look in there toward the bottom, and there will be something like a 1/4" hole. That one should be easy to cover, if you can reach it.

TBC=Throttle Body Cleaner. Carb cleaner or brake cleaner works as well.