2004 Gran Prix fuel guage is not accurate.

15mike15mike Member Posts: 3
edited June 2014 in Pontiac
It reads correctly when starting the vehicle, then goes to full. Is there an easy fix?
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  • 15mike15mike Member Posts: 3
    2004 Gran Prix. The guage reads accurately when starting the vehicle, the bounces to full and stays there. Is there an easy fix?
  • delronedelrone Member Posts: 3
    I had this problem (2001 Grand prix) it always stayed on full and if you know your car and its 300 miles on your tank and still full... there is a problem it happend to be the fuel sending unit in the gas tank which requires dropping the gas tank.
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