1998 Chevy Astro NO START

THIS VAN HAS HI MILES BUT WAS FLEET MAINTAINED AND LOOK'S AND DID RUN AS GOOD AS A LOW MILAGE VAN. NOW THE PROBLEM. 8 MONTH'S AGO OR SO IT DIED THE FUEL PUMP QUIT. NOT NEEDING THE VAN I LET IT SIT WITH 3/4 TANK FUEL IN IT. IM TRYING TO GET IT GOING NOW SO I REPLACED THE PUMP WITH NEW DELCO UNIT DRAINED THE TANK THE FUEL SMELLED BAD AND THE INSIDE OF THE TANK WAS NASTY SO I HAD IT CLEANED OUT AND REPLACED FUEL FILTER. IT WILL NOT START FUEL PRESURE IS 60PSI ON A GAUGE AND STEADY.I CAN ADD FUEL IN THROTTLE BODY AND IT WILL RUN UNTIL OUT OF FUEL THE PINK WIRES AT INJECTOR CONT HAVE POWER. CHANGED COMPUTER &MODULE. HELP.