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misfire

  1. First Grand Cherokee

    New Member Introductions
    I got it as a project (intermittent misfire, little leaks), and have taken damn near the entire engine apart. 2002 Laredo with the 4.0. Anyone have any tips on killing the misfire problem?
  2. New here.. Needing help

    New Member Introductions
    I'm new to this forum.. But not to the Jeep.. I'm about at my wits end with my 2003 grand Cherokee.. It has the 4.0 in it.. And here is what I'm experiencing.. Keep in mind this is all been within the last three months.. Giving you all the problems in case I missed something.. Battery died in...
  3. 03 WJ with confusing & contradicting problems

    Drivetrain Tech Center
    I've been dealing with this on and off problem for 7 months now. This is a 2003 WJ 4.0l. I sometimes get a misfire code for cyl 3, after being cleared a month goes by and it shows up on cyl 1. Every morning when it first starts, it's rough like an old ford thats half dead. I give it a litle rev...
  4. 97 4.0 Cylinder 1 misfire

    Drivetrain Tech Center
    I have a relatively new (to me) Jeep Grand Cherokee with the 4.0 engine. I'm getting a sporadic check engine light (although it's getting to be more common) and what seems to be a misfire while idling. I don't seem to have any misfire while above 1,100 RPM or so. If I remember right, the...
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