Gas gauge stay's just under fill/.....sometimes moves a bit...2001 chevy impala
Changing the fuel pump/gas guage in a 2001 Impala is easy because it's very accessible. You don't have to drop the fuel tank as has been incorrectly suggested. It can be accessed by folding down the rear seat and then peeling back some of the carpet in the trunk. This will reveal a round cover plate secured by some small aluminum nutts. Your fuel pump/fuel sender sits in the tank under this plate. There are several YouTube videos that will walk you through the entire repair. 2001 Imapala and Monte Carlo are the same. I would advise replacing the entire component (fuel guage and sending unit). I tried to be cheap and replaced just the fuel guage sending unit. Within a year the fuel pump stopped and I had to replace the whole thing anyway.
Sender wire grounded somewhere between tank & guage
SOURCE: gas gauge malfunction and engine light stays on
This is a common problem with Malibu's. It is due to cheap metal in the fuel gage that corrodes. Chevrolet knows about this but they refuse to issue a fix. The check engine light staying on and the faulty fuel gage are related. This is a defect and they need to recall this part! Raise hell with the dealership!
SOURCE: 2001 chevy silverado 4.8 gas gauge not working properly
Fairly common problem with GM vehicles. The sending unit in your tank has a small circuit board that an arm is attached to which moves up and down according to your fuel level. This circuit board and arm are not making good contact. Unfortunately the only good solution is to replace this part.
Testimonial: "thought probably that was it but better off replacing whole unit .i was for for gauge proplem thanks. "
SOURCE: The gas gauge on my 2001 Chevy Impala has stopped working.
u will need to drop the fuel tank and replace the fuel pump module which contains the gas gauge sending unit, it is not sold separately.
SOURCE: 2001 CHEVY IMPALA GAS GAUGE READS ALL OVER THE
You will have to replace the fuel sending unit in order to repair this problem it is a tipical trate for the GM sending unit/fuel pump assy.The unit can be pricey and it is located in the fuel tank.
SOURCE: 2005 Chevy Malibu...My gas gauge
This is almost always the sending unit in the tank. Test that (not so easy to access it).
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