1999 Pontiac Firebird gas gauge

Tiny
JKBAGNAL
  • MEMBER
  • 1999 PONTIAC FIREBIRD
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 94,000 MILES
The gas gauge will not read correctly, it's stuck at the full mark. I'm not sure how to fix it so I can know how much gas I have.
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Tuesday, July 29th, 2008 AT 9:07 AM

1 Reply

Tiny
MMPRINCE4000
  • EXPERT
You can disconnect the fuel sender harness from the tank and measure resistance from the wires going into tank. GM cars are generally 0-90ohms, 0 being empty and 90 being full. If you get 90ohms, then the sender is bad. If less, then the gauge in the IP is bad.
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Tuesday, July 29th, 2008 AT 11:51 AM

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