Just bought a 2002 F-450 with the 7.3 and drove it 3 miles running perfectly. Shut it off cranked it back up and moved it a few feet and it quit. It has no oil pressure coming to the sending unit.

This link may help:

https://www.askmehelpdesk.com/cars-trucks/faq-how-troubleshoot-repair-maintain-hondas-selected-other-vehicles-46563-8.html#post1415281