1999 Pontiac Grand Prix Gas Gauge Malfunction

1999 PONTIAC GRAND PRIX
100,000 MILES • 6 CYL • FWD • AUTOMATIC
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JLROSETN
  • MEMBER
  • 1 POST
When car first started, gas gauge goes to full. After about three minutes it goes down to empty. It's been acting up for about two months. Clock lights do not come on.
Jan 24, 2010 at 7:37 AM
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MMPRINCE4000
  • ✓Experienced Mechanic
  • 8,548 POSTS
It is either gauge or sender in tank. Dealer can test gauge, but if sender, you will have to replace entire pump assy.
Jan 25, 2010 at 12:57 AM
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