Question about 2006 GMC Envoy Denali

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The fuel guage reads empty after filling it up and the check engine light is on constantly-2006 Envoy Denali. Is there a recall on it? Our car is no longer under warranty.

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Have the system trouble code tested, it is most likely a fuel level sensor in the gas tank is defective, any Kragen or Autozone will do this test for free,(except Caif)

Posted on Oct 06, 2009

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Write a letter to GMC directly of this problem and file a complaint...i did! I am having the same problem with my GMC. I brought it in for diagnostic and its a fuel sensor. a $500 repair. How does this sensor go on a 2 year old vehicle??

Posted on Dec 12, 2009

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Related Questions:

1 Answer

2006 ENVOY fuel guage reads empty after fill up. What is the cause and how to rectify?


Usually I find there are two common causes for this problem. If the gauge goes to empty after a fill up but then starts to work and be fairly accurate as the fuel level in the tank drops then it's often the fuel level sending unit which is attached to the fuel pump module inside the tank. I have seen some guages go bad also [actually the servo motor that runs the gauge] but usually the gauge will stick in one spot and rarely move or go to either end of the scale and stick there. A good shop should be able to determine the cause of your problem pretty quickly. Hope this helps and good luck!

Dec 20, 2010 | 2006 GMC Envoy

1 Answer

My gmc envoy having proble with gas guage always reading empty even when i fill it up


The problem is probably the fuel level sensor in the fuel tank.It can be replaced separately.You don`t have to replace the fuel pump and the level sensor.Hope this helps.Good luck.

Feb 24, 2010 | 2006 GMC Envoy

1 Answer

2006 GMC Envoy XL gas gauge reads empty after filling continues reads empty and the light is on then the check engine light came on what can be the problem how ca i fixe it to save mesome $$$


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.


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Feb 18, 2010 | 2006 GMC Envoy

1 Answer

2006 envoy gas cap won't tighten and the fuel gauge reads empty on fill up and fluctuates back and forth.


You can just replace the gas cap...However about the fuel guage fluctuates back and forth...thats due to the sending unit, which is located on the fuel pump itself

Jan 19, 2010 | 2006 GMC Envoy

1 Answer

2007 GMC Envoy - Gas gauge showing empty and check engine light


This is a safety feature that the vehicle brings. You need to reset the E.C.U on dealership or it will keep doing it to you. It was probably caused by one single time that you did not closed the fuel cap correctly. Good luck

Dec 29, 2009 | 2007 GMC Envoy Denali

3 Answers

Gas gauge problems


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

Jun 13, 2009 | 2006 GMC Envoy

1 Answer

Gas gauge inoperative


The sending unit in your tank is bad replace it.

Jun 04, 2009 | 2006 GMC Envoy

2 Answers

2006 GMC Envoy XL gas gauge reads empty after filling, then slowly moves up after driving but will continue to lose pressure until it reads empty and the light is on, then the check engine light came...


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.

Feb 24, 2009 | 2005 GMC Envoy Xl

1 Answer

2006 GMC Envoy XL gas guage


most likely a fuel sending unit problem in the tank. could also be problem in dash but sending unit is first suspect

Nov 16, 2008 | 2006 GMC Envoy

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