fuel pump pressure

What would cause the fuel pump to push 40 psi instead of 58-64psi 94 blazer 4.3 cpi

please keep everything in one thread instead of posting six threads on the same problem.

Keep it in your original thread here:

http://www.automotiveforums.com/vbulletin/showthread.php?t=347185

going bad or fuel filter clogged