2003 Pontiac Grand Prix replaced fuel pump

2003 PONTIAC GRAND PRIX
133,000 MILES • 6 CYL • FWD • AUTOMATIC
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B_LOCO83
  • MEMBER
  • 2 POSTS
what could cause a fuel pump not to pump?
Mar 5, 2010 at 8:02 AM
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MMPRINCE4000
  • ✓ASE Certified Mechanic
  • 8,548 POSTS
  • ASE Certified Mechanic
The pump is bad, fuse, relay.

Another possibility is the PCM is not detecting an ignition pulse.
Mar 5, 2010 at 8:06 AM
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