id change the filter before anything else, cheap and easy.
can you (or get it to somebody) do a fuel pressure test along with a vaccuum dripdown test? so much comes to mind, ranging from the paranoid to absolutly so simple its stupid... after i did my heads/timing frank had to talk me down from the clocktower, my books were dead wrong on reinstalling the dizzy. i know you know your stuff, but where does your rotor point at tdc? mine did almost the exact same until i was walked through it. it took me longer to read franks brilliant write up than to get her started. in my case, no codes were thrown for either fuel or timing.
just out of curiosity parts guy, did this just happen or was something torn into for anykind of repair or scheduled maintenance? also, what year/engine... im sure it has been posted but i havnt seen it?