I have a 2002 ford f350 7.3 powerstroke that's hard to start and hesitates when I take off. It seems like its sucking air and fuel system is bleeding down. Any ideas would be helpful

See if the ideas in this link offer any help:

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