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  1. bullitt3831

    Cobra still misfiring.....

    I have a 96 Cobra and she is misfiring again. I changed the plugs to auto lites and a month later it codes misfire on 6. So I did a tune up going with screamin demon coil packs and 10mm live wires this time I replaced the plugs with NGK's . Now 3 months later it codes misfire on 4. Does...

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