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P0303 Dodge

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P0303 Dodge - No speed fluctuation, shaking during idle, shaking stops when Check Engine Light goes on.

Vehicle: 2002 Dodge Ram 1500 ST 3.7L V6

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P0303 Misfire number 3 cylinder

When there is a misfire that particular cylinder is not contributing, More than likely it always with a failed ignition coil. That why there is the rough idle ,and the speed fluctuation.

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