In the mornings, or after sitting for 6 hours.

THIS MAY BE A SOLUTION

I SORTA GOT A LINK FOR EACH OF THE IACs THAT WILL FIT YOUR RIG..................YOU FAILED TO SEND MORE INFO ABOUT YOUR ENGINE SIZE----THERE WERE 2 AVAILABLE SO I GARBBED BOTH

HERE'S THE LITTLE ONETHE 2.2L

http://shop.advanceautoparts.com/webapp/wcs/stores/servlet/product_idle-air-control-valve-bwd-intermotor_18481251-p?searchTerm=iac

HERE'S THE BIGGER ENGINE----THE 3.0L

http://shop.advanceautoparts.com/webapp/wcs/stores/servlet/product_idle-air-control-valve-wells-vehicle-electronics_10199549-p?searchTerm=iac

THIS THINGEE CONTROLS YOUR IDLE

IT GETS DIRTY---SOMETIMES STICKS---SOMETIMES JUST GOES BAD

THIS LINK WAS MY EXPERIENCE WITH AN IAC ON MY WIFE'S FORD ESCAPE

https://www.2carpros.com/questions/2005-ford-escape-rough-idle-at-low-rpm

IF YOU'LL JUST REMOVE THIS PUPPY AND CLEAN IT WELL WITH THROTTLE BODY CLEANER---IT MAY BE ALL YOU NEED TO DO

IF CLEANING IT MAKES A DIFFERENCE---BUT NOT 100% YOU MIGHT WANNA REPLACE IT

IT VERY WELL COULD BE ANOTHER PROBLEMIF YOU WANT ANOTHER OPINION FROM HERE, I'LL FIND YOU ONE---JUST ASK!

MY SPECIALITY IS THE JEEP CJs----I DO WHAT I HAVE TO ON MY OWN FAMILY'S STUFF

SEE "MY ANSWERS" (AND THE LINKS WITHIN THEM) IN THIS LINK---THIS MIGHT HELP YOU SAVE $$$ ON ANY AUTO PARTS YOU MIGHT NEED

https://www.2carpros.com/questions/1998-ford-explorer-one-recent-day-our-98-4-0l-sohc-required-gas-pedal-pushed

LEMME KNOW IF THIS STUFF HELPS--OR IF YOU HAVE MORE QUESTIONS

THE MEDIC