LET'S CHECK THIS OUT

CLEANING IT MAY BE THE SOLUTION

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

I LOOKED UP YOUR VEHICLE AND BOTH AVAILABLE ENGINES---AT advanceautoparts.com

THE "IAC" LOOKS VERY SIMILAR TO MY WIFE'S ESCAPE'S----FOUND IN THE PICS OF THE LINK I GAVE YOU ABOVE-----SHOULD BE VERY EZ TO SPOT--------CLEAN IT WITH THROTTLE BODY CLEANER----CAREFULLY ACTUATE THE PLUNGER TO INSURE IT MOVES FREELY

RETURN WITH A BIG OLE GRIN!!!---IF IT MAKES A DIFFERENCE----BUT YOU WANNA REPLACE IT ANYWAY, I MAY CAN ASSIST YOU IN GETTING ONE LESS EXPENSIVE......LET ME KNOW

THE MEDIC