neon IAC makes noise

he there :D

i have a 2001 neon se.

the prob is : rough idle
stutter when @ 1500 rpm give half throttle.

but most and inportant question ... the iac wistles ???
@ contact ( not starting ) it wistles
turn lights on ... whistle gets higher ???

http://www.youtube.com/watch?v=u7cUDoFLEAA

turn volume up to hear.

anyone a clue on whats going on .. cleaned it already ;)

thanks

btw dutch guy .. so exuse my poor englis please :lol: