MISFIRE with new plugs and wires

I have a misfire on one cylinder.
I replaced the spark plug and spark plug wire on that one cylinder and continue to get the same message on that same cylinder.

I would greatly appreciate any advice or theories. Clogged injector?

RON
V6 Mitsu Diamante

pull the plug and se if yo can smell gas on it. gm is bad for there injecters. it is probably your problem