Question about 2006 GMC Envoy

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How to replace an idle air contol valve on 2006 envoy

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Posted on Jan 02, 2017

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Molson02536
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SOURCE: 2006 Envoy stalling when idels and won't stay running

Clean your Throttle body and pay attention to the Idle Air Control (IAC) valve passageway to try to clean the IAC. A dirty or faulty IAC will cause your engine to stall at idle, the job of the IAC is to open the passage way through the throttle body to regulate the amount of air to enter the engine to keep it from stalling when the Envoy is at idle.

Start with the simple and clean the throttle body and inspect any loose or damaged wire leads to the throttle body. Replace or repair any signs of damage.

Thank you for using Fixya and good luck.

Posted on Apr 13, 2010

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  • 1311 Answers

SOURCE: 2006 envoy at idle of 500 rpm, voltage meter shows

This is too low an idle speed, it should be around 620 RPM. You probably need to have the throttle body cleaned.

Posted on Nov 03, 2011

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2 Answers

2006 envoy Denali pulls hard right when brakes applied. changed calipers and pads no change.


Have you had the OBD codes read ? Does vehicle have ABS ? Obvious but are the tyre's ok , tread ,not worn on either edges or middle, pressure etc , Is the tracking set up correctly ?

Nov 07, 2014 | 2006 GMC Envoy Denali

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I don't have a 2004 jeep wrangler I have a 2004 GMC ENVOY< PLEase tell me where the idle air control valve is located on MY CAR!!!


Here's a link http://www.youtube.com/watch?v=VdvgsaDmkac
It shows how to clean, and reinstall the throttle body on a 4.2 inline 6 trailblazer. which I believe is very much like your Envoy. The idle air control valve is located on the & is part of the throttle body It's the part the wires attach to

Jul 14, 2013 | Cars & Trucks

1 Answer

Where,exactly, is the idle air control valve on a 2004 envoy located


It should be mounted on the side of the throttle body. But if it is bad you should also have a check engine light on and a stored trouble code for the valve.

Jul 14, 2013 | Cars & Trucks

1 Answer

2006 envoy at idle of 500 rpm, voltage meter shows low charging, air conditioner quits cooling, lights dim. is the alternator bad?


This is too low an idle speed, it should be around 620 RPM. You probably need to have the throttle body cleaned.

Oct 20, 2011 | 2006 GMC Envoy

1 Answer

The car stops immediately after i turn on the AC


The problem might be with the Idle Air Control valve. This component is mounted on the throttle body and as its name implies it contols the engine idle speed anytime the accelerator is released.

One thing to try is to have the IAC valve removed and with a throttle body cleaner, clean the IAC valve and the idle air bleed port on the throttle body. If doing this shows no improvement with the idle, then the IAC valve may require replacement.

Jan 01, 2011 | 1998 Toyota Camry

1 Answer

Code P0121 on 2006 GMC Envoy Denali Check eng. light on. Is starting to cut off when at stop idling. Checked wires to the TPS and look fine. Thinking about cleaning Throttle body next. Need advice.


Classic signs of idle air control not able to cope with sudden engine loads. Cleaning should resolve this. Remove ducting from air cleaner to throttle entrance. Spray with carb. choke cleaner or WD40 spray and wipe back to the alloy finish. clean the the throttle plate and push the throttle open with your fingers and clean in behind as best you can. Clean the passageways to the idle air control valve. Remove the valve and give it a thorough clean up. Reassemble and it should all be good.

Nov 11, 2010 | 2006 GMC Envoy Denali

1 Answer

2006 Envoy stalling when idels and won't stay running


Clean your Throttle body and pay attention to the Idle Air Control (IAC) valve passageway to try to clean the IAC. A dirty or faulty IAC will cause your engine to stall at idle, the job of the IAC is to open the passage way through the throttle body to regulate the amount of air to enter the engine to keep it from stalling when the Envoy is at idle.

Start with the simple and clean the throttle body and inspect any loose or damaged wire leads to the throttle body. Replace or repair any signs of damage.

Thank you for using Fixya and good luck.

Apr 10, 2010 | 2006 GMC Envoy Xl

1 Answer

Will not hold idle


Replace the air idle contol valve its faulty

Nov 17, 2009 | 2001 Ford Explorer

1 Answer

How do you change an idle control valve on a 2003 gmc envoy


The idle air control valve will be located at the top of the engine on top of the intake manifold. If you hold the new valve and then look at the manifold you should see where it goes. I'm guessing it'll have 2 screws and 1 electrical connector. The one's that I've replaced were very easy to get to and replace. Not sure on your vehicle. The screws may be phillips or torx type heads. Good luck, if this helps please rate this. Thanks.

Jul 04, 2009 | 2003 GMC Envoy

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