Double check your plug to make sure it's not fouled. Swap the #2 coil with a coil from another cylinder. Clear your codes. If the code jumps to the cylinder you swapped coils with, your coil could be bad.
1999 WJ 4.7, 242HD, IRO 4" Long Arm, IRO Adj Track Bar, JKS BPE, JKS Quick Disco, 15" Cragar D-Window, 32" BFG KM2, V3 Projectors, DDM Tuning 55w 5k HIDs