Erratic Fuel Gauge Operation on Cadillac Seville SLS

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: 114,676 (68,000–140,000)
4 model years affected: 2000, 2001, 2002, 2003 more
15 people reported this problem
6 people shared problem details
Fuel level starts to wander after fuel indicator reaches about 1/4 fuel left in tank.
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fuel level crazy
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Not fixed yet. Add fuel by watching mileage.
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Gas gauge doesnt read right
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Fuel gauge not reading properly, fluxing back and forth. Diagnosing.
When the fuel gauge falls below one-half tank, the gauge begins reading incorrectly...showing everything from a full tank to half tank.
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