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Low voltage to fuel pump

(1993 GMC Vandura 2500)
in Baytown, TX on April 20, 2011
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
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Popular Answer
on April 20, 2011
Voltage seems low; check for fuel pressure, though, and see how much you have.
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