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  1. J

    Mazda CX-7 2009, Multiple Cylinder Misfires, Cylinder One Misfire

    Re: Update Still continuing as usual- when the engine runs warm, and I clear the CEL, the car won't throw a code. A cold start still causes a CEL. I have a new symptom, however, decreased MPG- I can usually get about 330 miles on a full tank, before the gas light clicks on. This past weekend...
  2. J

    Mazda CX-7 2009, Multiple Cylinder Misfires, Cylinder One Misfire

    A month ago the engine started running a bit rough, hesitation, rough idle, power surges- at a stop it would feel as if it were going to stall out- never did stall out. I took it to a mechanic, was told it needed a tune up, an ignition coil on cylinder three, set of spark plugs and a new egr...
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