WENT TO HAVE SPARK PLUGS CHANGED AT 100,000 MILES IN ACCORDANCE WITH MANUFACTURER'S FACTORY MAINTENANCE SCHEDULE. SPARK PLUGS ARE STUCK DUE TO FACTORY NOT SEATING PLUGS CORRECTLY AND NOT USING ANTI-SEIZE COMPOUND DURING FACTORY INSTALLATION. IT REQUIRES A $10,000 MACHINE TO NEGATIVELY POLARIZE THE ENGINE SO THAT THE PLUG THREADS CAN BE DECARBONIZED AND HOPEFULLY REMOVED. THIS IS AN UNACCEPTABLE FACTORY DEFECT AND FORD NEEDS TO ADDRESS THE ISSUE IMMEDIATELY AND RE-IMBURSED THE UNREASONABLE COSTS AND BURDEN PLACED ON THE CONSUMER. NO WHERE IN THE LITERATURE PROVIDED BY FORD WAS THIS ISSUE DISCUSSED HAD IT BEEN OPENLY DISCUSSED OR PRESENTED IN THE LITERATURE I WOULD NOT HAVE PURCHASED THE VEHICLE. THIS IS FRAUD. *TR