Erratic Fuel Gauge Operation on GMC Yukon Denali

It is common for the fuel level sensor in the fuel tank read the fuel level incorrectly. The sensor must be replaced to correct the condition. Our technicians recommend having the complete fuel pump module replaced on high mileage vehicles.

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Average mileage: 128,505 (60,000–173,000)
6 model years affected: 2000, 2001, 2002, 2003, more2004, 2005
22 people reported this problem
12 people shared problem details
2002 GMC Yukon Denali173,000
gas gauge will read full and then empty a few minutes later, gas gauge is not reading correctly
2004 GMC Yukon Denali140,000
TCS light ges on and off, ABS light on and off, fuel gauge never correct, intermitent bell sound,
fuel gauge/milage estimator not working. replaced level sending unit and pump just to be safe. good to go now
this happened to me too. The dealership fixed under warranty.
2000 GMC Yukon Denali170,000
When you get down to a 1/4 tank you better fill up because your empty. Learned the hard way.
2004 GMC Yukon Denali169,569
My 2004 yukonxl 1500 does not start @quater tank and below" whats the problem?
Fuel level reads full and then empty.
2005 GMC Yukon Denali131,000
When it's cold outside the gauge shows there is no gas in the tank but when it warms up then it starts working. Haven't had the problem fixed yet.
2003 GMC Yukon Denali125,000
Fuel gauge reads about 1/8-1/4 tank lower than actual level. Low fuel warning comes in at expected gauge reading but again the gauge reads incorrectly low. I know the gauge reads low due to the amount of fuel I can add now at a particular fuel level reading compared to how it once was.
2004 GMC Yukon Denali145,000
I replace the fuel pump any still doing the same thing it works and then it stops working it works and stopped working
2003 GMC Yukon Denali100,500
The fuel gauge wont read correctly. Some times it is pegged and sometimes its somewhere in between. Today it worked correctly but the Voltmetter did not. It was pegged. Any ideas?
erratic fuel gage started acting up during record hot weather, maybe unrelated. mechanic recommended changing sensor and fuel pump even though mileage is low
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