ON START UP A SPARKPLUG BLEW OUT OF CYLINDER HEAD .... 3RD PLUG TO BOW OUT IN 8 MONTHS OVER 800.00 PER PLUG TO FIX THEN CAUGHT ON FIRE UNDER HOOD......VERY DANGEROUS TO HAVE HAPPEN MAY CAUSE OUR HOUSE TO BURN DOWN IF IN GARAGE.... I CALLED FORD 4 TIMES NO HELP WHAT SO EVER.....BAD COMPANY .....DO NOT ADVISE ......BAD FORD PRODUCTS....THEY NEED TO DO A CLASS ACTION ON FORD ..... *TR