not a mopar but need some help

heres the thing, the truck ran great no problems up until it was parked last night, then this morning it would not start for my wife at all, i screwed around with it and now it will cough to life, idle a bit and stall, i get a little throttle response, but not much. almost feels like its running out of fuel. god i hope its not the pump. its expensive unless its just the connecting hose, plus the tank is a 35 gallon one, and its got 3/4 of a tank of gas in it.

i can prob ask my friend with the rolled over tahoe if he will sell me the pump from it, if that ends up being the problem. sorry but i dont have a code scanner, or a fuel pressure gage everything i usually work on is old school computer. pre OBD ll my 94 chevy uses a paper clip bent to connect term A and term B, flip key on, and it flashes codes to you. look in the book, viola it sends you the direction you need to go.

what a difference 5 years makes this suburban is so packed with crap under the hood, same body style, my 94 has soo much room under the hood, you can even see the inner fenders.

if i dribble a little fuel in the intake manifold and it runs good enough till it runs low on what i put in, then stumbles maybe the pump tho is working is low on pressure.

its a thought, any ideas?

thanks for all your help so far.
matt