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Cold misfire AGIAN

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Old 12-14-2009, 05:48 PM
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Year: 1993
Model: Cherokee
Engine: 4.0 I6
Default Cold misfire AGIAN

Well i just got back from a super long road trip totaled about 4k miles. Well the jeep did great, i couldn't be happier, i got back to miami and let her sit for a few days while i tinkered on my new izuzu rodeo. I started her up this morning and the misfire was real bad. Back when i first had the problem the misfire would go away after i backed out of my drive way and drove a few hundred yards. This time it decided to do it until i got to normal running temp... im stumped it has a full ignition tuneup, new plugs, and new o2. can you guys think of wat else it could be?
Old 12-14-2009, 06:20 PM
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Double check the timing- base and ignition- just to be sure they're correct. Have you been able to identify which cylinder is misfiring?
Old 12-14-2009, 06:23 PM
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Try running the truck in the dark with the hood open and look for spark jump...
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