2000 Pontiac Bonneville

108,000 MILES • 6 CYL • FWD • AUTOMATIC
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RYANPFOSTER
  • MEMBER
  • 1 POST
my fuel guage goes back and forth between empty and full and in between constantly. i know it is a short but how do i repair the short and with what?
Mar 30, 2010 at 4:53 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
Chances are the "rheostat" that is attached to the float in the fuel tank is bad. It is a simple resister that only allows so much power to go to the gauge based on how high or low the fuel in the tank is.
Apr 18, 2010 at 4:27 PM
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