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turns out, i need a new computer. my mechanic says i had a faulty cat converter and that not all the heat was escaping and it was backing up into my system. so i replaced my cat converter and muffler, replaced my ignition coil, repaced all my spark plugs and plug wires, replaced my distributer...

new member. first post.... I own a 1998 jeep grand cherokee laredo. its a 4.0 with a straight 6 cyl. Earlier this week I was driving and suddenly it started to run rough for a second and then shut off. after 2 or 3 tries it started right up and drove off. It has done this a couple times since...