Erratic Fuel Gauge Operationon Chevrolet Avalanche 1500

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 : 138,291 (70,000–219,910)
4 Years Affected: 2002, 2003, 2004, 2005
12 people reported this problem
7 people shared problem details
Gas gauge shows various levels of gas each time the key is turned on. Gauge moves slowly up or down when driving stopping at times. Don't know if problem is with gauge or sensor.?
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At approximately 12 gallons remaining in the tank, I begin to get "low Fuel" warnings and actual fuel gauge will appear to register below "E", then will ease back up to between 1/2 and 1/4 tank within a few minutes.
3 people like thisFlag inappropiate
my gage on dash does not read at all it tells me i am low on fuel when I just filled it up it seems stuck
2 people like thisFlag inappropiate
I put $50 dollars worth of gas in my tank, around 12 gallons, and when I left the gas station I had a nearly half a tank. (I believe it holds 30 gallons including the reserve.) Not even 24 hours later and not that much driving shows me on my reserve tank again! WTF?!?!?!
2 people like thisFlag inappropiate
Fuel gage reader will move up like a half a tank sometimes when I push the gas but then when I slow down the reading will drop and show me on E when I have a quarter tank of gas in it. Happens off and on. I haven't got it fixed.
At around 70,000 miles I ran out of gas on the freeway as the fuel gauge registered 1/4 tank.
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