SUDDEN AND RAPID UNCONTROLLABLE ACCELERATION AFTER REMOVING MY FOOT FROM ACCELERATOR. DESPITE MY BEST EFFORTS TO BRAKE AND ARREST MY MOVEMENT THE VEHICLE STILL WAS MOVING FORWARD. I IMPACTED THE REAR END OF A TRUCK THAT THANKFULLY WAS HEAVY ENOUGH TO COMPLETELY STOP MY FORWARD MOVEMENT. I HAD THIS VEHICLE IN MY LOCAL FORD DEALER TO ADDRESS THE CRUISE CONTROL RECALL. I WAS ASSURED BY THE TECHNICIANS THAT IT WAS INDEED MODIFIED (THAT THE PLASTIC ENGINE COVER WAS FITTED WITH NEW LONGER FITTINGS/BOLTS). THIS UNCONTROLLABLE ACCELERATION INCIDENT HAPPENED AFTER ALLEGED RECALL/REPAIR. *TR