try the TH fix listed in how to on the main page. Or you could pay the $$ to have Ford replace the IAC and possibly have the problem again in 6 months to a year.
99 SE Sport 2.5 Duratec Spruce Green Metallic.. Aesthetic Only.... For Now
...the closest I will ever get to having a Turbo will be the Gillete Mach 3 variety!!!