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MISFIRE???

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Old Aug 29, 2011 | 06:40 PM
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troyatl's Avatar
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Joined: Jan 2011
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From: suburbs of atlanta
Year: 1989
Model: Cherokee
Engine: 4.0 inline 6
Default MISFIRE???

so i think/hope i have a simple miss fire. here are some symptoms i got.
  • engine has a bit of a "putt" sound to it
    black smoke will come outta the exhaust at high rpms

i really dont feel like there is any loss in power or anything, just sounds bad and some black smoke. any idears? thanks
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