Moosing is in the FAQ on the main page. Basically it's a noise that comes from the IAC as a result of using an open air filter. Some use the TH fix to solve this problem.

1999 Contour SE Duratec ATX My feet and the Stra�Ÿenbahn http://www.tempo-topaz-performance.com/topazsho/ the coolest Topaz ever! To bad it's not mine