My lincoln navigator keeps hesitating while driving and sometimes sputters when your foot is on the gas, at a stop light when you start off the car will hesitate, and this time it just died. Put in park and restart everything works fine, everytime anything happens, turn the key off and restart the truck everything seems fine. Ford dealer told me last time that it had some mis fires on a few coils and they replaced them, and reset the computer, $1400 dollars and the problem sales ugg bailey bow w