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2002 Pontiac Grand Prix Fuel Pump?

Tiny
AUDRA12
  • MEMBER
  • 2002 PONTIAC GRAND PRIX
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 85,558 MILES
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!
Monday, March 3rd, 2008 AT 7:28 PM

3 Replies

Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
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?
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Monday, March 3rd, 2008 AT 9:05 PM
Tiny
AUDRA12
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No start!
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Tuesday, March 4th, 2008 AT 7:27 PM
Tiny
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.
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Tuesday, March 4th, 2008 AT 7:28 PM

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