Originally posted by mamisano:
I don't really have a choice....I NEED the THF. My car will randomly rev at 4000, yes 4000RPM at idle without the THF. Maybe I should have Ford take a look at it before my warranty is up in 4K miles.
Sounds like the IAC valve sticking open. I get this happening about every 6 months. I just pull it off and give it a good clean and the problem is gone.
// Chris Root
// '99 SVT Black / Midnight blue (#2743/2760), new engine @5000Km, revised tranny @20000Km!
// B&M Edge Shifter w/ Mondeo ST200 knob, KKM pedals, K&N, Ray's TH Fix, Fog Mod
// Mobil 1 Synth 5W30, Ford "Gold" MTX fluid, 885 fogs, 50W Halogen reverse lights
// recontents: dash clock, Mystique rear dome light, front bumper braces
