before you dump the cash for anything check the wiring. I had the same thing happen to an 86 camaro the main hot wire to supply it's 12 volts from the battery to the dist. block was broke. I could prime it by giving it 12 volts to the FP test port in the ALDL or dianostic port, which you should try. When I did that or dumped gas in it, it would start, once running the oil pressurew switch that's in the circuit took over and kept it going, and the idle would go up and down. it ran kinda rough. I bought a new pump and relay and it never fixed it, found the broke wire and problem solved.
I could NOT hear the pump come on with the key, see if yours is, if so then it's probably a bad pump.
If not try to energize it thru the ALDL, I'll try to find the pic of which one to supply 12 volts to, and if that makes it work and run it's the main hot wire for it. MAYBE the relay but mine was the wire.
You could always check the fuel pressure but you need the right adapter for tbi and then the tester itself.
