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mis fire
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  1. Problems or Dealer Service
    Hi Everyone, I'm a nub so bare with me. Here is the problem I have. I have a 2012 Shelby Cobra GT500. It has a 5.4 with the Super Charger, I have owned it for about 2 months, It has a cold air intake, smaller Pully, and the cats removed all done by previous owner. I got the mis-fire on cylinder...
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