Re: 99 EB Expedition 175K
if it isn't the IAC sensor I'd check the coolant temp sensor. It would be good to get a fuel pressure test done as well. Then you'll know if the pump is slowly going, about to go or will last for another 100K!
'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!