Engine Mechanical problem
1994 Cadillac El Dorado V8 Front Wheel Drive Automatic 113000 miles
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While driving my car started smoking black smoke, then a few minutes later it stopped running. Then finally i got it running again but the black smoke is still coming out and the engine started missing and it shakes. A mechanic checked it and pulled a spark plug out and all the plugs was soaked with fuel. What could the problem be?