Why does my Jeep Cherokee misfire?

Answer 1

if the check engine light is on take it to a parts store and have the hook up the code reader. if not it could be spark plugs,plug wiers,or your coil. it might even go as far as bad gas. that seems to be pretty commen now a days.

Answer 2

Bad spark plug?
Bad spark plug wire?
Bad engine internals? (do a compression test)

Answer 3

posiable vehicle has jumped timing.High milage?

Answer 4

Replace the coil.