i posted up yesterday but no one responded my service engine soon light has been on for quite a while just thought it was do to a mishap i had a while back with my exhaust heating up all the wiring above the exit...everything got melted together... anyways the other day i had a coil burn up found out which one it was( number 2 cylinder on the passenger side) so i replaced it well couple days later the same cylinder coil fried again had a buddy pull the codes one was P0447 and the other was U1000 would these have anything to do with my problem id rather not take it to the dealer if i dont have to since its modified and out of warranty any help would be appreciated