growling noise

  1. 02shtangGT

    Engine Strange Humming/growling Noise Behind Dash?? 02 Mustang Gt

    Okay well randomly there will be a growling noise coming from behind the dash. I have experimented a lil and found that it might have to do with the IAC. Most of the time when the AC is on and i quickly shut it off it can be heard for a second or two. It has been a problem that has been...