Coil and injector wiring have been checked and spark has been tested with a spark plug tester between the coil and spark plug. Also when I pulled the spark plugs a second time to check them all 8 spark plugs have the same colouration on them. As I stated in my post the valve cover has already...
I have a 2014 Expedition EL Limited 5.4 3-valve with roughly 154,000 miles on it. I'm new here and I haven't found a post with my issue. I have the cylinder 7 misfire code and before replacing spark plugs and coil packs, i swapped cylinder 7 spark plug to a different cylinder and misfire never...
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