1999 Pontiac Grand Prix Problem on startup

1999 PONTIAC GRAND PRIX
138,000 MILES • 6 CYL • FWD • AUTOMATIC
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O TOM
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The only way to get the car to start is to disconnect the battery and reconnect it this works for about a week then you disconnect the batter, about 10 second then reconnect it the car starts. I replace the ECM, fuel pump, fuel pump resonator and relays. Do you have any ideas what it could be? tom
Feb 22, 2009 at 10:03 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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