Question about 2006 GMC Envoy Denali

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My 2006 GMC Envoy is chugging while I drive it. The check engine light is on steady and now the reduced engine light comes on. This seems to be reset if i remove gas cap but does not fix the problem

Does this sound like an expensive fix?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 15 Answers

SOURCE: 2006 GMC Envoy XL gas gauge reads empty

The sulfur content in the fuel is contaminating the contacts of the sending unit.

Some people have had good luck with some fuel system cleaners solving this problem. The cheap stuff doesn't seem to do the job.

Not that GM isn't completely exonerated from fault but the gas stations don't do a very good job of watching what the stations sell.

Posted on Jun 20, 2009

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  • 1 Answer

SOURCE: gas gauge not woking properly gas tank only accepts a little gas

I had the same problem. My gas gage would read full and as I drove the gage would read empty; even when I had a full tank of gas. All I had to do is buy a new gas cap... yes that is all! $15.00 and a day later the gas gage is fixed.

Posted on Jun 23, 2009

  • 293 Answers

SOURCE: 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

Posted on Dec 29, 2009

bschilz
  • 2049 Answers

SOURCE: 2006 GMC Envoy XL gas gauge reads empty after

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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Posted on Feb 18, 2010

  • 40 Answers

SOURCE: 2002 gmc envoy check engine and reduce engine

typical causes: dirty air filter, clogged up catalytic converter

Posted on Feb 23, 2010

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