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I have a 2006 GMC Envoy the gas needle was located just above the red mark to indicate it is empty but the fuel light was not on. I filled my tank, when I started the engine the needle went below the red empty line and the fuel light is on and will not go off. I have turned the car off and on multiple times to see if the needle would move and the fuel light would go off. Didn't work. Can you please advise me on what to do?
Re: I have a 2006 GMC Envoy the gas needle was located...
Either you have a bad fuel level sending unit or the stepper motor that drives the fuel gauge is bad. A high end scan tool will be required to determine if it is the sending unit.
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It is most likely your fuel level sending unit has gone bad. It sits inside your fuel tank to tell the fuel guage how much gas you have in the tank.
The sending unit for the gas gauge is in the fuel tank and part of the fuel pump module, it is not sold seperately. Price is around $350.00, 2 hours labor to install the part.
if you put any gas in the fuel tank the fuel gauge needle should move toward full mark.if not you have a faulty fuel level sending unit.its in the fuel tank attach to the fuel pump assembly.
Common problem on the 03-06 Envoy instrument clusters for the fuel gauge to go out. It's usually caused by one of two main problems, either the stepper motor on the cluster's circuit board is going out or the sending unit on the fuel pump is going out. Check out this blog post about the problem - Envoy fuel gauge problems
this is a giant comon problem right now with gm vechiles it is in the fuel sending unit the unit needs to be replaced ( about 400$) and the gas tank needs to be dropped out to get to it for many more people with the same proble go to topix.com there is about 96 of us with the same problem
Sending unit. Its all one unit including fuel pump, float, ect. The check engine light is because of the high or low resistance in the unit. Let me know if you have already fixed.. You have to drop the tank to get to it also.
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