Some please help this is my first jeep and I'm at a loss it has no power until i get the engine over 2200 rpm or so I ran the codes and had sevel for O2 sensors checked wiring and was melted and fuse blown fixed wiring and replaced fuse fuse still good no change in how it runs its popping air back threw the throttle body also replaced cam sensor any ideas on what's the cause and what to do to fix it I've got to hit the road this weekend and can't if jeep is down someone please help thanks