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99 4.0 arpms jumping around or chugging

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Old Feb 22, 2009 | 04:24 PM
  #1  
benvasey's Avatar
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Model: Cherokee
Default 99 4.0 arpms jumping around or chugging

When I'm iddling or at a stop light my jeep is chugging I guess you could call it. The rpms jump around a little but you can feel it and it seems to be getting worse. I just had the fuel pump changed out. Any suggestions?
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Old Feb 22, 2009 | 04:29 PM
  #2  
finneys98xj's Avatar
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Joined: May 2008
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From: Virginia
Year: 1993
Model: Cherokee
Engine: 4.0L
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a Tune up

Plugs
Wires
Cap
Rotor
ETC>
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Old Feb 22, 2009 | 05:32 PM
  #3  
jd4x426's Avatar
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Joined: Jan 2009
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Year: 1996
Model: Cherokee
Engine: 4.0
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check engine light on if not try a tune up like he said
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