THE #3 SPARK PLUG BLEW COMPLETELY OUT OF MY 1999 FORD EXPEDITION, FORD REFUSES TO REPAIR IT SAYING THAT IT MUST HAVE BEEN THE RESULT OF SOME SORT OF ABUSE OF THE VEHICLE. AFTER SEEING THOUSANDS OF THESE TYPE OF COMPLAINTS FROM THIS PARTICULAR ENGINE CLASS, IT IS REASONABLE TO CONCLUDE THAT THIS IS A SERIOUS DESIGN FLAW, IF THE FUEL RAIL HAD BEEN COMPROMISED, THE END RESULT CERTAINLY WOULD HAVE RESULTED IN A FIRE. I THINK THAT YOU SHOULD REQUIRE FORD TO EITHER REPAIR THE AFFECTED DEFECTIVE ENGINES, OR COMPENSATE THE OWNERS FOR THEIR REPAIRS... *TR