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2000 Jeep Grand Cherokee Question: what does it mean when the computer code scans all 6 cylinder misfire?



, 4.0L 6 Cylinder, Garden Grove, CA, January 05, 2013, 01:58

the scanner scans that all 1- 6 cylinders have a misfire and the p0300 -p0306 codes start to flash. the check engine light flashes at the same time when accelerate , but there nothing wrong with the car

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  • Answer #1

    January 05, 2013, 07:25

    Possible wrong spark plugs need OEM. Coil module breaking down. Fuel Injection problem.
    It won't run right with the wrong type of spark plugs!! That i know.

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    , January 05, 2013, 16:22

    well for me it runs perfectly but the computer scanner say it indicates that ?

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