Could just need new plugs and wires if it's running rough at idle. My 4cyl has had slight ticking noise ever since I got it. From what others have said it's not something to get too crazy about and is somewhat normal.
2014 Willys Wheeler 2 door with custom dual 10 subs, dash/soundbar speakers and head unit
97 Wrangler SE, 33'' KM2S, 4'' lift, warn front bumper, rugged ridge 8500 HD winch, spare swing open tire carrier, genright rock sliders, currie antirock front swaybars and other extras