I WAS DRIVING DOWN THE FREEWAY AT 60 MPH WHEN I HEARD A LOUD POP AND THE ENGINE DIED. I COASTED OFF THE FREEWAY WHICH WAS DIFFICULT BECAUSE OF THE TRAFFIC AND WAS ABLE TO GET IT ON THE OFF RAMP. I THEN STARTED THE TRUCK AND GOT IT IN THE DRIVEWAY OF A HOSPITAL. IT DIED AGAIN AND I STARTED THE TRUCK AND MOVED IT OUT OF THE ROAD WHEN I NOTICED SMOKE COMING FROM THE ENGINE. I LIFTED THE HOOD AND FOUND THE ENGINE ON FIRE. I WAS ABLE TO SMOTHER IT BY THROWING A JACKET ON IT. IT MELTED THE WIRING AND THE COMPUTER MODULES. I HAD THE VEHICLE TOWED TO MY MECHNICS SHOP AND FOUND IT HAD BLOWN A SPARK PLUG. I WENT HOME AND FOUND FORD WANTS TO REPLACE THE CYLINDER FOR A COST OF $3000. I HAD MY MECHANIC PUT IN A SLEEVE AND REPLACE ALL 8 SPARK PLUGS. BUT THEN I CALLED MY INSURANCE COMPANY FOR THE FIRE DAMAGE AND THEY HAD IT TOWED TO THE FORD DEALER WHO IS REPLACING THE MODULAR. THIS COULD HAVE BEEN MUCH MORE SERIOUS. FORD DENYS THEY HAVE ANY PROBLEMS WITH THEIR SPARK PLUGS. *TR