No Fuel

my 93 silverardo died no fuel at the trottle body replaced the fuel pump and filter truck started up backed out of garage shut it off now wont start no fuel to the carb if you put gas from a cup in it starts up till the fuel is gone is there a relay or the injectors bad you turn the key and you can hear the pump run to build up pressure then stops does the realy control the injectors please help thanks jim

What engine ?
Check all fuses.
Injectors on TBI are fused.
And check air cleaner adaptor for a pinched wire.
MT

engine 350 tbi the fuse in the black cover is ok. does the fuel pump relay work with the injectors the fuel pump is running just no fuel in the tbi could it mabe an injectors thanks jim

Check for 12 volts to power side of injectors.
Have you got fuel pressure?
Does fuel pump run on engine cranking?
Gas in tank?