did you cycle the key to just the on position, listen for the fuel pump to come on.

Wait at least 30 seconds then shut key off and repeat.

do this at least 6 times and then it should start.

If not then verify that you have both fuel filters on completely. Be care of the caps. There are torque specs on them.

If that does not work then you could always check the fuel cutoff switch to ensure it it no tripped.