2002 dodge ram will not run

Hello i have a 2002 dodge ram 1500 4.7 l
.recently i went to fire it up and it started and
immediatly died .no symptoms prior .the day
before i filled it up and drove home then my
problems started the next day .so far i
changed the tps .iac.cps.spark plugs fuel
pump .i charged the battery .removed and
cleaned throttle body .and even ran direct
power to the new fuel pump and same issue
after all that work .it will run with my foot on
the accelerator but die when i let off .and the
fuel guage reads empty even when full and
even after i changed the pump .what would
you guys reccomend next ?