'97 still giving me problems
I have a '97 TJ and have had the check engine light come on too, but not in a while. I've heard that TJs are prone to this and a lot of times, there isn't really anything wrong, other than some glitch that turns the light on. The last time this happened to me, I just disconnected/reconnected the battery. That resets the computer and should turn the light out. If there's a real problem, the light should come on again...if it's just the glitch, it should stay out.