Wont keep duel pressure


Asked by Adam Dec 15, 2019 at 08:50 PM about the 1999 Chevrolet Tahoe LS 4-Door RWD

Question type: Maintenance & Repair

99 chevy tahoe with 350 vortec  I have replaced fuel pump
fuel filter  fuel injector pressure regulator and fuel pump
relay   and i had to replace the whole steering column(the
key was lost).  It will prime when I turn key on but doesn't
keep fuel pressure  if I jump relay it has pressure. And ideas
if I'm missing something that could cause it to not keep
fuel pressure

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