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.Google+
Car Problem Reports
Cadillac DeVille DTS Fuel Level Sensor Failure
Cadillac DeVille DTS Problem
Average Mileage: 102,857 mi (75,000 mi - 130,000 mi)
Visitor, 2002 Cadillac DeVille DTS, 120,000 mi
fuel guage is reading incorrect.Sometimes it is reading full when its empty.
Visitor, 2001 Cadillac DeVille DTS
Visitor, 2002 Cadillac DeVille DTS, 87,000 mi
Fuel level sensor failure. I use the mileage to gage the fuel in tank.
Visitor, 2002 Cadillac DeVille DTS, 100,000 mi
fuel level sensor failure