2002 Pontiac Grand Prix Fuel Pump?

2002 PONTIAC GRAND PRIX
85,558 MILES • 6 CYL • FWD • AUTOMATIC
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AUDRA12
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My car wont always crank on the 1st try. I took the cover off of the fuel pump in the trunk and if you tap on it the car will crank. Could it need a fuel pump or relay or filter? where is the relay located? Thank You for any info!
Mar 3, 2008 at 7:28 PM
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SERVICE WRITER
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I think the terminology is a problem.

Crank (turn over) means the engine is trying to start, but doesn't.

No crank means nothing happens when the key is turned.

IS this a no crank problem or a no start problem?
Mar 3, 2008 at 9:05 PM
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AUDRA12
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no start!
Mar 4, 2008 at 7:27 PM
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SERVICE WRITER
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If you rap on the tank and it starts, there is a high probablity of the pump being bad. Relay should be in the engine compartment. If you change the pump, change the filter too..
Mar 4, 2008 at 7:28 PM