WK Grand Cherokee & XK Commander Forum
2007 Jeep GC, 3.7l.
After doing some work on this Jeep, it was running great. New coil packs, new radiator, new plugs and couple new O2 sensors. One day, a flash of the Check Engine Light, not staying on, made me pull the code which was a Random Misfire, P300. I checked/cleaned everything and...