Originally Posted by Jonny954
No it can't be the spark plugs I think since I changed them at 45k miles and I had the COBB for about 6k miles....I'm at 54k miles now
If you are having consistent misfires in #6 ONLY then swap the #6 coil to another cylinder and see if the misfire follows. If it does follow then the coil is bad. If it doesn't fire then most likely it's either plug or injector.