SPARK PLUG SHOOT OUT OF ENGINE. THIS IS THE 3RD TIME IT IS BECAUSE THERE IS ONLY 4 THREADS TO SCREW INTO THIS HAS HAPPENED TO THIS TRUCK TWO TIMES WHEN IT WAS YOUR WITH THE FACTORY PLUGS. AND NOW WITH OTHERS THAT WERE THAT WERE DO TO SPECS BY FORD. THIS IS AN EXPENSIVE FIX AND IT IS DANGEROUS TO PEOPLE THAT STICK THEIR HAND IT THERE WHEN THEY SEE A FLOPPY COIL AND DON'T KNOW THEY CAN BE SHOCKED. PLEASE DO SOMETHING PEOPLE ARE GETTING HURT. IT ALWAYS HAPPENS TO ME WHEN DRIVING, THERE IS A LOUD NOISE AND THEN IT STARTS RUNNING DIFFERENT ANSWERS SOUNDS LIKE A LAWNMOWER WITHOUT A MUFFLER. IT IS SCARY AND CAUSED ME A PANIC ATTACK AS I HAD TO FIND MY WAY OFF THE HIGHWAY WONDERING IF IT IS GOING TO EXPLODE. IT NOR FIXED BECAUSE IT COST TO MUCH AND MY HAND IT TWITCHY FROM THE SHOCK IT GAVE ME.