Question about 2004 GMC Envoy

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What are the symptoms of my idler air control valve going bad in my 2004 GMC Envoy

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  • GMC Master
  • 9,771 Answers

It will not idle correctly when at a stop or with the AC on or it will idle way too fast.

Posted on Jul 24, 2016

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Posted on Jan 02, 2017

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SOURCE: battery removal on a 2004 GMC Envoy

The battery is on the right side behind the fuse box. You need a metric set to undo the 3 screws. Theres one that attaches to the body, one to the bar that goes along the top, and theres one on the left side below the vacuum hose and air induction. After you've taken out those three, you should lift the whole thing out(battery and shroud) together. It's hard to take the shroud off before you lift the battery out. After that, you have to pry the shoud off the battery. The two terminals in the back make it hard. Then just go to any auto parts store and they'll give you a new one. 

Posted on Jan 28, 2009

emissionwiz
  • 76846 Answers

SOURCE: Gmc Envoy

the system has what is called an electric temperature control blend door motor, this is the problem and must be replaced.

Posted on Apr 10, 2009

co7196
  • 3433 Answers

SOURCE: No cold air w/air conditioner on for a 2004 GMC Envoy.

Can't go by the pressure. Ck the large lone coming out of firewall, should be col. Small line at ac condensor in front of radiator should be hot.

Static pressure on high side probably 80psI Running 30 on the low side and 1130. will vary depending on oiutside temp Hope this hekoped

Posted on May 27, 2009

  • 2 Answers

SOURCE: Speedometer on 2004 GMC Envoy not working. It

There is a recall on the panel Cluster... call your dealer and have it checked out.. mention the recall... www.lemonauto.com

Posted on Jun 05, 2009

roniecon
  • 6924 Answers

SOURCE: I have 2003 gmc envoy my front ac control does not

Need to check to see if the blower motor is running.If it is,but not threw the vents,most likely a vent door actuator motor.The actuator motor in this case would be bad,it is hard to get to,unless you are mechanically inclined,You can do it your self.If the blower motor is bad,just replace it.Check fuses first,and the blower relay.If I can help,let me know.

Posted on Aug 29, 2009

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1 Answer

Where is the air pump located on 2004 GMC envoy xl


Secondary Air Injection (AIR) Pump (K18)
On the left hand frame rail near G304 just behind the electronic brake control module

Mar 16, 2016 | GMC Envoy Cars & Trucks

1 Answer

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

My issue is the Idle Air Control Motor/Valve. i have purchased the part but am not able to locate it on my vehicle. I have a 2004 GMC envoy 4wd. Anyone happen to know where this part is so I can replace...


these are located on the intake manifold near where the throttle cable connects to it.just look for a motor in this location that looks the same as your part and has the same style and number of connector and wires.

Nov 02, 2011 | 2004 GMC Envoy

1 Answer

My 2004 envoy has a really bad vibration when running at 500 rpm , when you rev it up to 1000 it seems to go away.


Hi and welcome to FixYa!
Two reasons why it vibrates. You may have a faulty MAF (mass air flow) sensor or IACV (idle air control valve). These two controls the air that circulates in the engine. If one of them is faulty you'll definitely have vacuum irregularities, car may run sluggish or may even result to stalling.

These two sensors are located on the throttle body, once replaced you'll be good.

Hope this helps and thank you for using FixYa! Have a good one!

Feb 15, 2011 | 2003 GMC Envoy Xl

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

2 Answers

2004 Envoy xuv 6 cyl when I turn on the A/C the truck stalls but as long as I keep my foot on the gas it will continue to run


Is your "Service engine soon" light on?? If so, have your vehicle's computer scanned for error codes. If not, Clean or replace the IAC valve (idle air control valve). This unit controls airflow through the engine while the gas pedal isnt pressed or A/C is powered on.

Aug 31, 2010 | 2004 GMC Envoy

1 Answer

No cold air w/air conditioner on for a 2004 GMC Envoy.


Can't go by the pressure. Ck the large lone coming out of firewall, should be col. Small line at ac condensor in front of radiator should be hot.

Static pressure on high side probably 80psI Running 30 on the low side and 1130. will vary depending on oiutside temp Hope this hekoped

May 27, 2009 | 2004 GMC Envoy

1 Answer

ENVOY 2004, Engine going off when i am making AC ON. Service Engine soon light is on.


I did the Engine Service, cleaing of Air Control section of the Engine. I did it at our city's "Specialized Maintainance Service Center" for GMC Cars.

Thanks,

Safara

May 12, 2009 | 2004 GMC Envoy

1 Answer

Envoy is running on highway and suddently turn off & wont start


This could be a bad key. Expensive but if necassary to replace to check on the symptom of the car since no codes are being thrown. I would also say check your Idle Air Control valve and your EGR valve to make sure they are working proplery

Apr 17, 2009 | 2002 GMC Envoy

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