I have a 98 k1500 with 183k miles on it or so. Here recently cylinder 6 has been consistently misfiring. I pulled the distributer cap the rotor underneath it the spark plug wire and the spark plug and changed all of that. and It still does it. The spark plug wire had a cut in it and the wire inside was pretty much burned up. The spark plug had a little fluid on it but nothing more than what i've delt with in the past. Before all I did was change the spark plug and that fixed the problem now not so much. Has me puzzled that it's just that one instead of all eight. Any suggestions will be helpful.