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jdenny 08-04-2010 11:18 AM

Rough Idle and Hesitation
I have a 2003 TJ with a 4.0 that is running rough at idle and also hesitates a bit when I acellerate from a dead stop? Any ideas? I was thinking spark plugs or Throttle Positioning Sensor? I changed out spark plugs yesterday and it still does the same thing???

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