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Pontiac
Grand Prix
Fuel System
Fuel Pump
Replace/Remove
2003 Pontiac Grand Prix replaced fuel pump
2003 PONTIAC GRAND PRIX
133,000 MILES • 6 CYL • FWD • AUTOMATIC
B_LOCO83
MEMBER
2 POSTS
FOLLOW
what could cause a fuel pump not to pump?
Mar 5, 2010 at 8:02 AM
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MMPRINCE4000
CERTIFIED EXPERT
8,548 POSTS
The pump is bad, fuse, relay.
Another possibility is the PCM is not detecting an ignition pulse.
Mar 5, 2010 at 8:06 AM