Question about 2007 GMC Envoy Denali

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I have a 2007 gmc envoy Denali and cylinder 1 is misfiring what could cause this

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 2 Answers

SOURCE: 2004 GMC Yunkon Denali is misfiring

it could be alot of things...you could start by routine maintnence( new spark plugs, spark plug wires, air filter, oil change, the in line fuel filter) also take into consideration what kind of gas you are using...i know it sucks spending $100 a week in gas with your AWD 6.0 liter V-8...but if ur not running premium it could very well be your problem. I have also heard of the denali's having oxygen sensor issues...is it throwing a check engine code?

Posted on Dec 16, 2008

farroutideas
  • 78 Answers

SOURCE: wiring diagram or fuse box diagram-2007 GMC Envoy Denali

Hi there;

Here is the wiring diagram for the trailer wiring for your truck.
22593cd.jpg
Hope this helps
Farrout!

Posted on Mar 18, 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

  • 2 Answers

SOURCE: 2007 gmc yukon denali wont unlock w/ keyfob

Check the buttons.. I have an 06 Grand Prix with the Remote starter on the top and it seems that the conductor on the buttons worn out.. Take the keyfob apart, pull the rubber buttons off the chip, lick your finger and touch the place where the unlock (right side of the fob) would be. That should unlock your doors. I just did it with mine. I would just buy another fob on ebay and change the buttons out.. Hope this works

Posted on May 24, 2010

edwardjwoods
  • 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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1 Answer

Could it be a fuse causing my causing my rear defroster and wiper to not work on my 2007 GMC Envoy


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Gmc envoy with misfire in number 1 cylinder


You could have a bad spark plug or a bad coil pack for cylinder 1. Or it could be as simple as a poor connection at the coil pack.
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Where are the spark plugs 2007 Envoy


Assuming you have the 6 cylinder 4.2L engine, the plugs are under the large black air box that has VORTEC on it. Each plug has a coil pack mounted above it, these coil packs need to be removed to get access to the plugs.

freddyboy61_25.jpg

Sep 15, 2011 | 2007 GMC Envoy Denali

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Evaporation emission code p0455 misfire code p0301


PO-455 EVAP SYSTEM (GROSS LEAK)

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Two separate problems to work on.

You will need help on those at a
repair shop

Do not let them do anything but
diagnose & repair those issues
only

Don't go down the silly tune-up road
Not necessary

Jun 09, 2011 | 2007 GMC Envoy Denali

1 Answer

2007 Envoy Denali: i don't have real problem but i need to replace th...


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May 16, 2010 | 2007 GMC Envoy Denali

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

1 Answer

Do keys for a 2007 GMC Envoy have a chip in them?


you have to get another key from gmc,security measures

Oct 18, 2009 | 2007 GMC Envoy Denali

2 Answers

Wiring diagram or fuse box diagram-2007 GMC Envoy Denali


Hi there;

Here is the wiring diagram for the trailer wiring for your truck.
22593cd.jpg
Hope this helps
Farrout!

Mar 07, 2009 | 2007 GMC Envoy Denali

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