Hummer
H3
8

Erratic Fuel Gauge Operation on Hummer H3

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: 73,648 (48,210–113,678)
3 model years affected: 2006, 2007, 2008
8 people reported this problem
Comments
Viewing 1 - 6 of 6 comments
Fuel gauge does not read accurately. When tank is full, gauge reads 3/4 tank.
Fuel guage not moving correctly. Reads 1/4 tank when empty
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
Fuel light has never worked. Dealer said they repaired it, but never did.
fuel gage reads wrong
Fuel gauge reads the fuel levels eratically