If you have a misfire then you should be throwing a DTC code



P-0300 RANDOM MISFIRE
P-0301 CYL #1 MISFIRE
P-0302 CYL #2 MISFIRE
P-0303 CYL #3 MISFIRE
P-0304 CYL #4 MISFIRE


IT GOES UP TO CYL #12
IF YOU HAVE A MISFIRE THERE SHOULD BE A DTC

2004 Jeep Grand Cherokee Special Edition Blue Steel 99 Tropic Green SVT (Former Owner) #151 of 710 Born on 10/07/98 Have you driven a FRAUD lately?