Where is Spark plug location on 2002 4.6 engine in ford f-150?

Answer 1

The same place as every other 4.6 modular Ford Engine. Check the top of the valve cover. Look really close. Do you see the yellow fuel injectors? Good, look next to the fuel injectors, there is 4 black round coils with one bolt holding them in place. There is also a 2 wire plug connected to the ignition coils. These wires need to be unplugged and the single bolt removed to access the spark plugs. The spark plugs are under the black round coils that have a rubber boot attached to them. They are much easier to replace than some old v8 engines. P.S. When replacing the spark plugs make sure to get the correct thread length spark plugs as some performance plugs like the NGK and Bosch are different. Hope this helps