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rough idle when warm

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Old 03-05-2013, 04:34 PM
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Year: 2001
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Default rough idle when warm

seems when my cherokee is warm and i turn it off and i come out and start it up again it will idle rough like its missing for a little.. it goes away pretty quick

replaced the spark plugs maybe 2,000 miles ago it was doing it before i replaced them
Old 03-05-2013, 06:34 PM
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Have you checked your ignition wires yet?

It sounds like you may be having a simple sensor issue.. test before replacing.
Old 03-05-2013, 06:47 PM
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vapor lock. winter fuels are very volatile. try insulating your fuel lines that are close to the engine/exhaust

Last edited by truckntractorhick; 03-05-2013 at 06:50 PM.
Old 03-06-2013, 05:01 AM
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Search this forum, JF, NAXJA, etc. for "HEAT SOAK". You'll find lots of threads on this.

It is quite common on the 00-01 XJ.
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