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  1. I4/I5 Engine & Drivetrain
    My 2008 Colorado starting throwing the codes P0351 (Ignition Coil A Primary/Secondary Circuit Malfunction) and P0301 (Cylinder #1 Misfire). I'm at a complete loss at what may be causing this, I have switched the #1 coil with the #2 coil and the misfire did not follow the coil. The problem...
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