needle moves all over is no longer acurrate!!
Chevrolet Q&AAsk Your Question
2004 Chevrolet Impala Question: gas gauge
Answer #1matte April 08, 2009, 20:06Master
This is most likely a failure of your fuel sending unit, which will need to be replaced.
For many GM cars, the fuel sending unit and the fuel pump are all one component. I'm not certain that's the case for your Impala. If it is, it can be a costly repair.