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

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
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
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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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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