You need to get a new one either from Ford, or from a car breaker. The old one is accessed from behind the carpeting panel on the right hand side of the boot. It's very difficult to get to, but you can release the cable from the catch, fit the new one, then reassemble everything. An other option is to fill the car up, glue the petrol flap shut and trade the car in. By the time they discover the problem, you will be happily driving around in your new car and won't care any more.
Jim Hannigan
February 2009