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P0301 JEEP -

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Changed everything. Plug, Injector and Coil Pack. Checked injector and coil pack with Noid Light everything seems fine. Cylinder pressure 175. Sometime it seems to run fine other times like crap

Vehicle: 2004 Jeep Grand Chrokee 4.7

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Compression 175 is good, go to the other cylinders, P0301 is misfire number 1. you may have to check other cylinders the code maybe number 1 cylinder there is always that possibility that number 1cylinder is not the one that is misfiring.

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