Need a good mechanic, preferably one that's good with fords.
Jake K. replied:
Depending in your motor u could be in trouble my grandfather has an 07 5.4 triton and that happen to him he took it in and the prob is carbon bulids up on the bottom of the plug wen they try to take it out the carbon breaks off an falls down in the cylinder at that point the heads have to come off as well as the plugs blowing out it cost him like 3000 $ just for a plug change go and talk to rob he is really good 317-831-8300