Y yellowgt99 New Member May 26, 2015 2 0 1 May 26, 2015 #1 May 26, 2015 #1 99 gt 4.6, when i snap the throttle it revs up to high and creeps back down slowly! it also revs a little high on its own during startup, anyone know about this?
99 gt 4.6, when i snap the throttle it revs up to high and creeps back down slowly! it also revs a little high on its own during startup, anyone know about this?
A AFZ Member May 29, 2015 21 3 13 May 29, 2015 #2 May 29, 2015 #2 Your IACV is going bad. Search that for fixes.