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fuel mpg rough idle smoke

  1. 97 ZJ DUMPING fuel after 3 hours of driving

    Drivetrain Tech Center
    Howdy ya'll, I have a 1997 zj 5.2 188,000 miles, yesterday driving back from college I had driven 3 hours at about 17 MPG at 75 MPH. Then all of a sudden when I pulled over to fuel up the jeep was running INCREDIBLY rich. Stumbling all over itself, blowing black smoke like it was going out of...