A weird sucking noise has developed on my 2002 Lancer ES. It sounds as if it is coming from the steering column, and goes away when I turn the wheel slightly in either direction. I have a feeling that it is an air sucking noise because the sound went away when my RPMs dropped to very low levels (~500) after resetting my ECU. I can hear it from the outside as well, somewhere deep in the engine bay. Any ideas?

 

Check your p/s fluid, might be low.