1993 GMC Vandura 2500 Q&A

1993 GMC Vandura 2500 Question: low voltage to fuel pump

i replaced fuel pump and relay ran good for about a month quit again checked voltage to[ pump 9.5v ]battery is reading 12.5 . fuse is ok help -
Answer 1
Voltage seems low; check for fuel pressure, though, and see how much you have. -