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2001 grand cherokee misfire

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Old Feb 12, 2014 | 08:45 PM
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Default 2001 grand cherokee misfire

cyclinder 4 5 6 is misfiring and I cange the spark plugs,coil cover,i checked the compression and it is fine, what else can I do???
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Old Feb 12, 2014 | 09:07 PM
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4.0 I checked the gap on the spark plug 0.035
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Old Feb 14, 2014 | 08:16 AM
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From: Manlius, east of Syracuse, NY
Year: 2000 XJ Sport & WJ Laredo
Model: Grand Cherokee (WJ)
Engine: 4.0L
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Check the electrical connections to the 4-5-6 coil pack. You may have corrosion in the connecter. Also check the rubber boots that the plugs fit into for burn marks.
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