throws misfire

  1. E

    Replaced TPS, four dead cylinders

    Hey all--I have an 03/04 cobra swapped 99 GT with a twin turbo kit and an 01 cobra intake manifold (for reference). I recently had a CEL display for p0122, a TPS failure. I replaced the TPS, and ever since replacing it, the car has idled on only the rear four cylinders, not even on the same...
  2. C

    Engine misfire during use

    Hey, recently I bought an 04 mustang with the 3.9 v6. It had been parked for about two years so it needed quite a bit of work done to it. I won't talk much about the PCM issue that I had, but once the car started I ended up running into an issue that pretty much made it undrivable. When I would...
  3. D

    Washed engine bay on 3 valve mustang

    I’m not quite sure what’s wrong it’s been almost two weeks and I’ve had it diagnosed showing it’s misfiring on 5 different coil but they’re all good and got new spark plugs and still runs reall rough like it’s to rich or too lean. When I give throttle it’ll just putter real hard or die...
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