Erratic Fuel Gauge Operation on Buick LeSabre

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: 118,713 (32,000–250,000)
9 model years affected: 1996, 1997, 1999, 2000, more2001, 2002, 2003, 2004, 2005
271 people reported this problem
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Viewing 1 - 20 of 180 problem details
2001 Buick LeSabre 70,000 mi,
Fuel gauge has false readings when under half of tank...dealer said it was fuel level sensor..Approx $ 500.00 to repair.. have been using trip meter, at 200 miles I fill up....Does any one know if this module can be replaced by removing inside of trunk panel????
2004 Buick LeSabre 79,650 mi,
Fel- + fuel sensor. Can it be removed from the trunk access?
2000 Buick LeSabre 95,000 mi,
Gas gauge needle reads full all the time
2003 Buick LeSabre 106,500 mi,
Replaced fuel pump and the problem still there.
2003 Buick LeSabre 134,000 mi,
fuel gauge inop shows full at all times..
2002 Buick LeSabre 100,000 mi,
guage becomes very eratic when it drops below the 3/4 mark
2002 Buick LeSabre 92,000 mi,
CAN'T COUNT ON FUEL GAGE HAVE TO TRACK THROUGH TRIP METER. GAGE STAYS AT 1/2 TO FULL AND BOUNCES ALL OVER THE PLACE
2000 Buick LeSabre 142,000 mi,
Gas gauge stopped reading correctly. Diagnosed by dealer as the gas tank module. Buick wants $700 to install new one, parts and labor. What a ripoff. We keep track of mileage but my old Toyotas never had a failure like this in only 10 years!
2000 Buick LeSabre 80,000 mi,
I now have 132,000 miles on the car and have learned to live with this problem. When I first get into the car I turn the key partially so the gauges read . This brings up an accurate reading of the gas gauge. Only after I start to drive does the gauge move to the full position and stay there.Knowing my average fuel consumption I can calculate how far I can go and still have gas. I never let the tank go below one quarter full. If the gauge stops working completley, I will have it repaired.
it doesn't register properly. I just keep track of the mileage.
2003 Buick LeSabre 200,000 mi,
car wont start, low fuel range light on, fuel in car
2002 Buick LeSabre 161,000 mi,
fuel level gauge doesn't accurately reflect fuel level. Often indicates full tank, when it may be near empty.
fuel sensor doesn't register the correct level of gas left. false readings
2001 Buick LeSabre 112,000 mi,
fuel gauge goes from 1/4 to 3/4 when tank is under half.
2000 Buick LeSabre 60,000 mi,
Erratic Fuel Gauge Operation due to faulty plastic on the part. Opted to NOT replace, just watch the mileage on the car and fill tank every 100 miles of in town driving.
When near empty the fuel gage shows a half tank and gauge goes back and forth from near empty to half full.
2000 Buick LeSabre 145,000 mi,
When the fuel level gets down to half a tank or less the fuel gauge readings become erratic, have not fixed it.
2000 Buick LeSabre 135,000 mi,
mechanic said it would be $500 to fix so i didn't. it became erratic at less than half a tank.
2002 Buick LeSabre 105,000 mi,
my fuel gauge will read 1/4 tank, the after I turn a corner it will go up to full and stay there. I know there is only a 1/4 tank. I was told to replace the fuel sensor. .
2001 Buick LeSabre 153,465 mi,
my gas gauge would only work when it reached the half way mark. anytime before that it read full the whole time. its not a really a big deal though because atleast i wont ever run out of gas haha.