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My 2005 chevy equinox is displaying the P0405 code. I know its the egr valve. How do I fix it?

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Erase the code and see if it returns. If it does, replace the valve. What engine do you have? If it is a 3.4 it should be right on top. One plug and two bolts.

Posted on Mar 12, 2009


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How to replace exhaust gas recirculation valve

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1 Answer

Code p0405

You need to diagnose the EGR System
Not replace parts in hope of getting it right
Codes only indicate an Emissions Malfunction
or Fault, thus the code
Codes & trouble charts are used to then component test
Google the code & study the problem
There are many EGR Codes--- study yours ,as it pertains
to your vehicle & engine package
Try You Tube Video-- to get a basic of what egr system is & does

Feb 14, 2013 | 2005 Chevrolet Equinox

1 Answer

How do I erase code P0405 on 05 equinox

disconnect battery 10 min.. or go buy auto zone let them hook there computer to it and clear codes they will do this for free

Sep 06, 2012 | 2005 Chevrolet Equinox

1 Answer

I am getting two codes from my 05 equinox it's

    EGR Sensor Circuit Range/Performance, Stuck Open, to fix, either clean out or replace it, this should do it. p1404 relates to same problem. replace EGR and you should be ok. dont forget to clear the code when repaired.

    May 01, 2012 | 2005 Chevrolet Equinox

    1 Answer

    2005 Chevrolet Equinox These are the codes that show up when we place the Scanner P0068, P0108, P0300, P0405, P0443 Can someone please help me with this? Thanks in advance.

    P0108....Manifold Absolute Pressure/Barometric Pressure Circuit High Input

    P0300....Random/Multiple Cylinder Misfire Detected

    P0400....Exhaust Gas Recirculation Flow

    P0433....Heated Catalyst Efficiency Below Threshold (Bank 2)

    Do not have a listing for the 0068 reading as it doesnt exist in my list ,looking at this i would block off the EGR valve with a nice home made coca cola can gasket and this should cure your problems

    Jun 07, 2011 | 2005 Chevrolet Equinox

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    I have a 2005 6.0 liter powerstroke f-350 with codes P0404 and P0405, I have tried cleaning the egr valve and reset the code worked fine for a little while then the codes came back.

    I have a 2005 6.0 liter powerstroke f-250 with P0404 and P0405, I have tried cleaning the egr valve and reset the code worked fine for a little while then the codes came back. Any Idea what's going on?

    Jun 15, 2010 | 2003 Ford F150 Regular Cab

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    2004 Chev impala p0405 code.I have replaced egr valve whats next?

    have the engine de-carboned. its a machine that runs a chemical through the combustion system, that takes about 45 minutes.

    Jan 02, 2010 | 2005 Chevrolet Equinox

    3 Answers

    I cant find the egr valve.

    Its right in front of the engine as soon as u open the hood On the left side. It has one electric cable connected on top and a pipe with the diameter of a dime at the lower side running to a lower section of the engine.

    Mar 13, 2009 | 2005 Chevrolet Equinox

    1 Answer

    2005 equinox with P0405 code.

    Do you have an odd smell in the interior compartment? This could be due to the egr being damaged from debris from the road. Hire a professional to do it or go to a car parts store and get the motors repair manual or similar.

    Mar 12, 2009 | 2005 Chevrolet Equinox

    1 Answer

    Disgnostic code meaning

    P0404 Exhaust Gas Recirculation Control Circuit Range/Performance
    P0405 Exhaust Gas Recirculation Sensor “A” Circuit Low

    It sounds like you have a failure of the EGR valve.

    Sep 28, 2008 | 2000 Chevrolet Tahoe

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