Pretty much any code reader will allow you to reset the trouble code. Go to OReilly, they will possibly loan you a reader, or use it for you to read and clear the code.I replaced the DPFE on my 96 4.0 and the instructions said that it may set a trouble code. (Both genuine Ford and Standard part) Phoned dealer service to see if they can reset my computer to work with the new unit but they had no idea what I was talking about. Does anyone know what to do? I am in California with smog checks and there can't be any codes to pass smog test.
You could just buy a code reader, abt $40 for a basic device and do it yourself.