2jz MKIV Toyota Supra burning some rubber, Ignition failure

Guys! Like my FB fan page and ask any questions about my supra!! Another Sunday run that went not exactly how it supposed to, Me and my buddy went to burn some rubber on my 2jz MKIV Toyota Supra , and after couple runs one of the cylinders stopped working:) Damn we had 3 sets of tires with us)) Any ideas guys what it is? My guess it is one of the ignition coils .I ordered set of new ones, i hope next week they will be in our workshop, and maybe finally i will be a