Quote Originally Posted by cueman View Post
I heard my Rally doing a vent type of noise at each idle yesterday. I think it has some thing to do with tank venting also. I describe it as a single tone whistle. Let’s get to the bottom of this. cueman
I've experienced this twice now. I've noticed that it happens when I have put 140-150 miles on the current tank of gas. If I fill up the sound goes away. My conclusion is it's related to the fuel pump or tank pressurizing/venting.