Re: 7.3 injector problem or bad fuel??
Welcome to the Nation!
Not real up on injectors, others are and will be on shortly.
I think I would start by pulling the injector and looking at o rings.
Early '99 F350 DRW, Excab, LB. Auto. 2WD, 2010 bed, 2005 headlights, 298K, on my way to 1000K.
H2E, 238 Hybrids, Adrenaline oil, Tuned by Tony. DIY Regulated Return.