2004 Cadillac Escalade Q&A
2004 Cadillac Escalade Question: Erratic fuel gauge
Is it safe to assume that the fuel gauge is defective if it reads erratically but the digital range readings are precise and after adding fuel the digital range reading looks correct but the needle will read anyware from full to all the way around clockwise to E. On a trip the all the digital readings seem normal. Doesn't the fuel sending unit data go to both the gauge and the fuel computer were the digital info comes from? - Albert Burgun
This does sound logical, it might be good to see the info verified on a scanner. As for the gauge, be sure to check the instrument cluster computer. See if you can do a gauge check, to be sure it is only the gauge and not a printed circuit board issue.On more modern vehicles, the gauges are a bit more complex to remove and replace. - dandd
It is common for the fuel level sensor in the fuel tank read the fuel level incorrectly. The se...