DeVille DTS

Erratic Fuel Gauge Operation on Cadillac DeVille DTS

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: 97,330 (15,300–158,000)
5 model years affected: 2001, 2002, 2003, 2004, more2005
19 people reported this problem
Viewing 1 - 8 of 8 comments
Started acting erratic at 80K miles. At 130K miles now. I knew of this issue when I had a 00 Pontiac Bonneville. Its an issue of cost cutting on GM design and the floater failing. Does Not cause any harm and I've learned my car. Also Now I go by the millage to when I need to fill up.