1999 Pontiac Grand Prix Gas Gauge

Tiny
PONTIAC456
  • MEMBER
  • 1999 PONTIAC GRAND PRIX
1999 Pontiac Grand Prix 6 cyl Two Wheel Drive Automatic

I have a 1999 pontiac grand prix and the gas guage is not working properly. At first it would move up and down slowly, then I filled my tank and now it wont move from full tank.I drove around for a long time and it still wont move. What do I do?
Friday, April 10th, 2009 AT 9:43 PM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
HI there,

This will more than likely be a faulty sender unit in the fuel tank, a mechanic can quickly check this for you by shorting out the gauge wire to earth, if the gauge responds the sender is faulty.

Mark (mhpautos)
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Friday, April 10th, 2009 AT 10:06 PM

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