Question about 2004 GMC Envoy

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I have a 2004 gmc envoyn check engine light came on read code it says secondary air filter

Need to know where it's located

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  • GMC Master
  • 1,311 Answers

I think you mean secondary air pump, see attached figure, it is item #6. There is also a valve involved (item #2). Sometimes water gets into the lines causing fault.

I have a 2004 gmc envoyn check engine light came o - 353c1829-d9cb-4f74-988e-0a135818bd52.jpg

Posted on Apr 21, 2013

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Posted on Jan 02, 2017

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SOURCE: Secondary air supply failure

I have a 2005 Envoy with a 4.2..... Just recently the check engine light illuminated so I read the code after replacing the 20amp fuse labeled cigar. My OBDII connection had no power so if you plug your reader in and nothing check the fuse under the hood labeled "cigar"
After pulling the code P0410 Secondary Air Injection Malfunction I checked the operation of the air pump by removing the hose connected to the solenoid. By the way the solenoid is located on the pass side of the engine top towards the back. After pulling the hose off the solenoid I started the vehicle when it was cold and after 20 seconds or so the pump should turn on and blow air out of the hose. Once I verified the pump was operating I pulled the solenoid then placing jumpers from the Positive & Negative of the battery to the pins on the solenoid. You should be able to hear the solenoid click which says its operating. But mine did nothing so I read across the pins with an Ohm meter and verified the coil was good.
So take some good penetrating oil and fill the inside of the valve with it. You can see the plunger shaft assy in the opening and thats the area you want to fill with a good penetrating oil!!!! Let it sit for a couple of hours keeping it full of oil. The housing is aluminum and the shaft is likely to be a brass material so rust is not possible. Its caused by a buildup of carbon!! The penetrating oil will soften the carbon which in turn will free up the plunger!! MINE WORKS GREAT NOW and plus you will save around $140.00 if you were to buy it from the dealer!!! Or $80.00 aftermarket from RockAuto.com

Posted on Feb 10, 2009

  • 1 Answer

SOURCE: i have a 2001 gmc

i have water in oil

Posted on Mar 01, 2009

emissionwiz
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SOURCE: 1998 GMC Sonoma threw code P1133 02S 1/1

P1133 - Heated Oxygen Sensor (HO2S) Insufficient Switching Bank 1 Sensor 1
I would have the repair shop see if they either damaged or left disconnected the oxygen sensor for engine cylinder bank one upstream sensor, this sensor would have been disconnected if the oil pan was removed.

Posted on Apr 20, 2009

  • 1608 Answers

SOURCE: check engine light on 2004 GMC Yukon XL

Code po449 is the canister vent valve solenoid error.This is a common problem with these valves because they are under the truck in the rear by the spare tire and they get all the dirt and water and snow,if you live in an area where you get snow.You will find it on the canister under the vehicle by the spare tire.

Posted on Nov 18, 2009

  • 770 Answers

SOURCE: 04' GMC YUKON DENALI CHECK ENGINE LIGHT ON & RUNS FINE????

Go to an Advance or Auto Zone and ask them to read your fault codes. This is a service they will do for free in hopes of selling you a replacement part. You likely have a faulty sensor that is causing the light to come on. Good Luck! I hope this is very helpful!

Posted on Nov 20, 2009

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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

Code 410


code po410 on a 2004 gmc envoy is that there is a problem with the secondary air injection system, you will need to check the fuse located in the engine compartment first, the next step is to start the truck cold and listen for the air pump to turn on for a few seconds, this will sound like a jet engine but not that loud, after it runs for 5 min and you dont hear it then you may have a bad pump which is located under the driverside on frame but if you hear the pump then you may have a bad valve, this valve is located on the exhaust manifold area and has a hose from the pump to valve, remove the hose and check for water, drain any water in the hose, also remove hose at pump and drain, the most common cause for this code is the valve is not opening and the air pump gets water inside and goes bad, thats the po410 code. a quick note; if fuse is blown look under truck near pump and check relay as it fills with water and blows fuse, if this is the case replace relay and blow water out of connector.good day.

Dec 06, 2011 | 2004 GMC Envoy

1 Answer

Am looking for what the carmd code p0410 means for a 2004 buick ranier - my car md is not working right.


CEL light/code P0410, secondary air system fault.
DTC P0410 - Secondary Air Injection System

Suspect -
Relay/fuse (box B) loc 3 ,15amps
Pump $434(new) / $243 (Remanufactured) / $95 (used,Ebay)
solenoid $73
check valve $18
http://www.autopartswarehouse.com

A new pump, or simulator!

What signals the ECU, if the seconary Air Injection system isn't working?
H20 sensors, if running rich > Xtime throw code!
The pump only runs when the engine is cold, so the air & rich fuel mix is burnt in the exhaust manifold, so there's less Emission.

May 09, 2011 | 1997 Volvo 960

1 Answer

I have engine code P0410 for a 1999 GMC Sonoma. It has a 4.3 Vortec engine. Is there an air pump to replace and where is it?


Hello, the air pump is located under the rad. on the lower core support towards the right. and yes you will need to replace the air pump, you will also need to install a updated hose assembly with a new filter. also in allot of cases the air pump fuse will blow when the air pump goes bad. the fuse is located by the battery in the right fender.

17803252
Pump Kit, Secondary Air Injection
1999-2000 L35

Nov 07, 2010 | 1999 GMC Sonoma

1 Answer

P1414 P1417 2003 discovery


Those codes are associated with the Secondary Air Injection. I too had the same codes on my 2003 Discovery. From reading Land Rover forums online, I determined that it is likely the Secondary Air Injection Solenoid that has gone bad. It is a $20 part that you can buy on atlanticbritish.com and install yourself without any tools. The hardest part was getting the original solenoid off -- it is simply clipped on with a plastic arm that is built into the part.

Does your Secondary Air Injection come on at random times? Mine would also come on sometimes at stop lights even after the engine had already warmed up. That is another sign that you might have the same problem and need to replace the solenoid. Before I replaced the solenoid, I had turned off the check engine light and noticed it came back on immediately after the secondary air injection went off after starting the truck cold a few times. After replacing the solenoid, I have yet to see the check engine light return.

Hope that helps.

Jun 27, 2010 | 2004 Land Rover Discovery

3 Answers

Code P0410- Secondary Air Injection Malfunction


The air injection reaction system (AIR) is on all 2004+ 4.2's. There is an electric blower under the truck, tucked inside the frame rail about under the drivers seat. The blower draws it's clean air from a hose tied into the air inlet tube between the airfilter box and Throttle body, pressurizes it slightly and blows this clean air into a port in the cylinder head directly above the exhaust manifold, dead center. There is a can shaped check valve bolted to this port with the air hose clamped to it and an electrical connection. The most common failure point of this system is this check valve. Remove the hose, the electrical connection and 2 bolts and it's off. Very easy. Problem is, it's about a $125 dealer only item.:banghead: The check valve gets corroded/cruded up and doesnt seat. Let it go long enough and moisture from the exhaust can back flow into the system and destroy the $$$ electric air blower. I'd start by removing and checking the valve and check the hoses for water.
Inspect the air pump and wire harness under the Trailblazer's frame rail, since you did mentioned that your had your transmission serviced and they would have had to work under there to remove the transmission pan to replace the transmission fluid and filter. There are 2 fuses you need to check also. AIR fuse 60amp....AIR solenoid fuse 15amp.
Good luck and thank you for using Fixya

Mar 11, 2010 | 2004 Chevrolet TrailBlazer

1 Answer

I need to know where the secondary air pump is located on a 2004 GMC Envoy?


the secondary airpump is located next to frame, approx. beneath drivers feet. you will see hoses to the air pump.

Feb 23, 2010 | 2004 GMC Envoy

3 Answers

My 2005 chevy trail blazer has code p0410 and i dont know what needs to be replaced provide that i know that it means secondary air injection system but i need to know the part that needs replacement


check the air pump on your trailblazer, make sure its clean inside and the hoses are properly fastened. also check to make sure it works properly by listening for it when you start the vehicle. if the air pump is working correctly, replace the position 1 o2 sensor meaning the sensor on the exhaust manifold. the air pump is located under the vehicle, inside the frame rail on the drivers side in front of the transfer case crossmember with 2 hoses connected to it.

Feb 21, 2009 | 2004 Chevrolet TrailBlazer

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