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  1. #1

    2003 GTX 4-tec n.a. 155hp #2 spark plug not firing

    Getting check engine warning after riding for about an hour and a drop in rpm's, took ski out of water and replaced spark plugs and started it back up and still the same problem, removed spark plug and noticed #2 plug did not have a spark mark like #1 & #3 and so it didn't fire and so I replaced #2 coil thinking it would solve my problem, cranked it back up and accelerated a few second and still same problem so i removed the plugs out again and #2 spark plug was still as clean as when i took it out the box still not firing, #1 & #3 had burnt marks like they were firing fine. Can anyone give me a heads up with this. Thanks

  2. #2
    Check the harness to make sure there is not a pinched wire. Check the continuity of those coil wires

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