you can get codes with just a jumper wire see www.fordfuelinjection.com
under getting codes. You count the engine light blinks and look up the codes at the above web site. Just because you gat a code doesn't mean its that part but its a start. First test wires and the parts. Start with the lower codes first and reset the computer each time. Unhook the ground on battery for ten minutes. Will take a liitl while before it runs ok, EEC needs to re learn your driving habits.