1989 Chevy Corsica fuel problems

Hopefully you changed yoru fuel filter as well. Your fuel pressure should be 40 p.s.i. min. Also check to see if you have a vacuum leak by your map senosr or the sensor may be bad as well. also puta paper clip between A&B on the aldl belwo the steering columnon the dash and turn your key on to see if you are getting any codes. you can get the code definitions here on site under OBD1.