Stu thank you for you input mucho thanks

Sorry i should say i have chaged the plugs last week still no good, I thought ford were wrong.

Ok what is happending is drive down the motorway and the car cuts in and out like turning the key of but the tacho needle does not drop and some times goes into limp mode but of you turn the ing of then back on it is ok. Also somtimes when you drive it very slow say 1500 -2000 low load it cuts in and out and you can here a relay in the fuse box clicking.

What i have checked is the wireing to the coils air gap on the crank sensor, plugs, fuel filter all wiring plugs.