On one of the RV forums, one of the guys report burnt wires and coils with his new 7.3. Cause undetermined as of yet, but adding to the aggravation is the new parts are not even available yet from Ford or the aftermarket. It's too new.
Retired Anesthetist. LTP. Pilot with mechanic/inspection ratings. Between rigs right now.. Wife and daughter. Four cats which we must obey.