95 gmc jimmy won't start

I was driving my car came to a rolling stop and the fuel pump wouldn't kick on so i replaced it and still wouldn't kick on so i replaced the fuse relay and it kicked on so now i have spark and gas getting up to my injector but it still won't start but if i put gas in the top it will fire right up and then die again. and i replaced the spark plugs

I don't know what else to do please help me:banghead::confused::banghead::confused::banghea d::confused::banghead:

I was driving my car came to a rolling stop and the fuel pump wouldn't kick on so i replaced it and still wouldn't kick on so i replaced the fuse relay and it kicked on so now i have spark and gas getting up to my injector but it still won't start but if i put gas in the top it will fire right up and then die again. and i replaced the spark plugs

I don't know what else to do please help me:banghead::confused::banghead::confused::banghea d::confused::banghead:

Check for proper fuel pressure.
If low or none reair as needed.

Can you hear fuel pump run on 2 second prime up or engine cranking?