06 gt help

  1. M

    06 Gt Misfiring On Cylinder 4

    I have a 06 gt and I replaced the plugs to motorcraft platinum. No problems until I got on it at it started to misfire on cylinder 4. I hooked a noide light to the injector wires and cylinder 4 had a weaker pulse than the others. And I checked the plugs just to make sure there was no cracks. I...
  2. M

    06 Gt Misfiring On Cylinder 4

    I have a 06 gt and I replaced the plugs to motorcraft platinum. No problems until I got on it at it started to misfire on cylinder 4. I hooked a noide light to the injector wires and cylinder 4 had a weaker pulse than the others. And I checked the plugs just to make sure there was no cracks...