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FIXITMAN, Master Technician
Category: Cadillac
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2003 deville: my gas gauge seems to be erratic..stopping

Resolved Question:

my gas gauge seems to be erratic on my 2003 deville sometimes when you get in it will read full when not full and after driving stopping or continuing it will read empty or half full
Submitted: 7 years ago.
Category: Cadillac
Expert:  FIXITMAN replied 7 years ago.
Hello hoghbowl, if the gauge moves back and forth then the problem is the fuel gauge sensor. This sensor is located in the tank and commonly fails due to deposits from the way that gas is made today. It will need to be replaced.
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Customer: replied 7 years ago.

is this something i can do myself

Expert:  FIXITMAN replied 7 years ago.
It is not too hard to do. You can access the fuel tank unit from the trunk. Just pull back the carpet and you will see the access hole to get to the fuel pump and sender assembly.