Question about 2008 GMC Envoy

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A blower of some kind in the right rear undercarriage runs intermittently after car is turned off

2008 Envoy Denali

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  • GMC Master
  • 9,639 Answers

That's the air compressor for the leveling system

Posted on Jul 24, 2016


6 Suggested Answers

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Posted on Jan 02, 2017

  • 15 Answers

SOURCE: rear seat fuse box in 7 seater 2006 GMC envoy denali

Rear fuse box is under the seat bottom, rear seat (middle row) on the driver's side. There is a plastic cover over the top of it that snaps into place.

Posted on Jun 20, 2009

  • 113 Answers

SOURCE: Front End Rattle

I am guessing it is still under the factory warranty. Take it to the dealership and have them fix it for free.

Posted on Aug 03, 2009

  • 490 Answers

SOURCE: AC blowers in dashboard of 2006 Envoy Denaly do not work anymore

Check your fuses.

Posted on Aug 11, 2009

  • 19396 Answers

SOURCE: 2007 envoy denali stabilitrak turns


There are many possible reasons while the car will shut down at cold , or when idling or slow.

A good thing to do would be going to the nearest Autozone and doing an error code scanning on the engine. This is free of charge, and will tell you if there is any error codes stored in the car computer.

I will try to summarize possible causes for your problem. I will list only common faults that can cause the car shutting down when you press the pedal after idling.

Air flow problems:
This commonly affect the engine when this is cold.
Check air filter, air intake, MAF (mass airflow) and IAT (intake air temperature). This problems are more noticeable when the engine is cold.

Vacuum problems:
The vacuum system uses recirculated gases in your engine. A vacuum leak or a bad EGR valve can give you troubles, particularly when idling. Vacuum system is tested using an hand tool gauge.

Injection and fuel system:
A malfunctioning fuel pump, a clogged fuel line, or an injector problem may be causing the fault. Pump and lines are tested using the same hand gauge used on vacuum system

Distribution and spark plugs:
If this is the problem, then the engine is shutting down because of misfire. You will get engine warning light on, and the misfire will be reported after doing an error code scanning. When you have distributions problems you can also easily feel that the engine is not running as it should.

Transmission problems.
An automatic transmission malfunction can cause the engine to shut down when you push the pedal. When this is the problem you realize that the cause is the transmission, and that the wrong gear is on.

Other electronic troubles (ECU , wiring, etc)

The best thing to do is trying to understand in what of the condition above you may be, eventually stop at the nearest Autozone and ask a free OBDII scan, or come back to us with a more detailed description of your problem symptoms. OBDII scan can also be done using an hand tester.


Posted on Jan 11, 2010

  • 372 Answers

SOURCE: how to remove rear suspension airbags on 2006 gmc

they are bolted in a not to hard to remove once the air is drained from them however you can not drive it without the air bags. It will bounce way to much to control the truck.

Posted on Nov 30, 2010

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I installed a 4115v remote starter on my 2008 gmc envoy denali. I've double checked all my wiring. Tried programming the remote an it will not start with remote. Key works fine. Any ideas

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2008 envoy Denali right turn signal and right hazard quit. replaced relay worked for 20 minutes of driving then right turn and right hazard quit again??? LEFT SIDE IS FINE

Sounds like you have a wiring issue ! Maybe when you installed the turn / hazard relay you moved the wiring harness in such away that made it work. Grab the wiring harness an do the wiggle test an see if it works . Mite have lose connection where the relay plugs in, close the terminals a little bit. I don't know what you know about electrical systems on automobiles or I'd tell you to do a voltage drop test to find the problem . Need volt ohm meter an a wiring diagram to do this test. Electric Testing Techniques You Need to Know

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Jun 21, 2014 | 2008 GMC Envoy Denali

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2008 GMC Denali, Fusebox location

It would be helpful if we knew if you were talking about a 2008 Envoy or a 2008 Denali, since your post says both. In either case, the subject of fuse locations is covered in the Owner's Manual....

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Climate controlled blower processor

under the dash below the glove box is the resister unplug it and look at the connectors then remove it and look at the board inside

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