[99SilverCougarV6]

I believe its a moosing sound. wtf is it. does it hurt my coug. I assumed it was cause my car was cold since it stops after the car warms up. ANy help would be dank.

 

[EricF]

IAC valve replacement will take care of it if you want... otherwise its not harmful to the cougar.

 

[refuz2luze]

Not harmful but annoying as hell! I had it IAC will fix it. Started making a noise when I go in reverse sometimes again, hoping it not that again, but don't know what the hell it is.

 

[99SilverCougarV6]

What is wrong with it and what causes it out of curiousity.