Re: 2005 Expedition: check engine / rough idle
I would think that throttle-by-wire would not have a throttle position sensor in the TB as it'll be electronically controlled, but the throttle shouldn't have anything to do with how the engine idles... I could be wrong but there should be an IAC somewhere as the truck still idles with your foot of the accelerator pedal.
'00 Durango R/T 360ci 290hp (modded); 138,500m
'06 Pontiac G6 GT 3.5L 220hp; 44,000m
'12 Chrysler 200 Limited 3.6L 283hp; 13,000m
'99 Taurus 3.0L 2V Vulcan 145hp; 154,300m - Traded
Amsoil in all vehicles!