Take it to your repair shop and have engine diagnosis run. Could just be a faulty TPS (throttle position sensor) or vacumn hose.


I believe you can buy the computer disks, wiring harness and connector that help crack the codes if you are do-it yourselfer.You will also have to buy a laptop pc if you don't have one already.

Try fordmotorsports.com or your local dealer.

The diagnostic test or engine scope may me your best best.

Good luck!