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dead cylinder

  1. 2005-2010 Mustang GT Tech
    I have an 08 mustang gt 4.6L, I just rebuilt the motor and when I started it I noticed that cylinders 5,6 and 8 are dead (I can unplug coils and injectors from all 3 at the same time and there is no rpm change, I unplug one of the other cylinders and the engine almost stalls), so I tested for...
  2. SVT Cobra Tech
    I just picked up a 1997 cobra that had a miss. I got the car for next to nothing so I wasnt to worried about it. It is either cylinder 5 or 1 but I ran a compression test and it only has about 10-15psi of pressure. Any ideas of what could cause this? Ive heard a couple things about a valve being...
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