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  1. S

    TJ bucks while driving down the road

    We have a 2002 Wrangler 4 cylinder. We have an intermittent problem. I hope i can explain it so you can understand. We can be just driving down road at 55 and it starts bucking like you are in wrong gear. It smells like you are burning coal and blows black smoke. We have changed several...
  2. S

    2002 TJ with 2.5 is running rough

    We have an 02 TJ with the 2.5 manual transmission. All the sudden it started running rough. It runs fine until you get up to around 55 mph and 2000 rpm. It starts bucking like you are in the wrong gear. We have changed the plugs and wires. Also a new distributor, fuel pump and coil. None...