Erratic Fuel Gauge Operation on Hummer H3

The fuel level sensor in the fuel tank may fail causing erratic fuel gauge operation. Our technicians tell us that on high mileage vehicles you may wish to replace the complete fuel pump module assembly if this condition occurs.

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Average mileage: 73,648 (48,210–113,678)
3 model years affected: 2006, 2007, 2008
7 people reported this problem
6 people shared problem details
2006 Hummer H367,000
Fuel gauge does not read accurately. When tank is full, gauge reads 3/4 tank.
2 people like thisFlag inappropiate
2006 Hummer H348,210
Fuel light has never worked. Dealer said they repaired it, but never did.
2 people like thisFlag inappropiate
2007 Hummer H370,000
fuel gage reads wrong
2006 Hummer H3113,678
Fuel gauge reads the fuel levels eratically
2008 Hummer H376,000
Fuel guage not moving correctly. Reads 1/4 tank when empty
2008 Hummer H367,000
Reads about 3/4 when full.. i filled up and it clicked at the gas station and reset the trip setting and it says ive gone 99 miles and i am almost at a quarter of a tank obviously theres a problem here
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