2001 Jeep Laredo ROUGH IDLE PROBLEM

2001 JEEP GRAND CHEROKEE LAREDO
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CALIFORNIADAY
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2001 Jeep Laredo (4.0 6cyl)

engine idling rough and it gets better when fully warmed up but does not go away. I have already replaced spark plugs, fuel filter, plug wires. Thanks.
Nov 9, 2009 at 7:26 PM
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JACOBANDNICKOLAS
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Have you checked for vacuum leaks? Also, has the check engine light come on?
Nov 10, 2009 at 1:18 PM
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CALIFORNIADAY
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[quote:19e7eac6e7="Jacobandnickolas"]Have you checked for vacuum leaks? Also, has the check engine light come on?[/quote:19e7eac6e7]

I did not locate any vacuum leaks and the check engine light is not on. Thanks for your help in advance.
Nov 12, 2009 at 11:24 PM
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