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roger6632
New User

Oct 10, 2007, 8:12 PM

Post #1 of 11 (17398 views)
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my check engine light came on,i took it to autozone,it read secondary air system malfunction
code po410,can someone tell me were to start looking to fix this,i need a sticker soon,thanks
it,s a 2000 chevy s10,87,000 miles on it,4.3 motor


(This post was edited by roger6632 on Oct 10, 2007, 8:17 PM)


way2old
Veteran / Moderator
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Oct 11, 2007, 8:09 AM

Post #2 of 11 (17373 views)
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Re: po410 [In reply to] Sign In

That code is for the secondary air injection system. It pumps air into the exhaust on start up to keep emissions low in initial startup when there is more fuel in the engine causing the exhaust to run rich. Usual causes are air in air pump, solenoid malfunction, or loss of power to pump solenoid. Pinched, loose, cracked, or broken hoses can also cause this code.



Being way2old is why I need help from younger minds

(This post was edited by way2old on Oct 11, 2007, 8:10 AM)


Tom Greenleaf
Ultimate Carjunky / Moderator
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Oct 13, 2007, 12:20 PM

Post #3 of 11 (17364 views)
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Note for Roger: The fix and resetting of the CEL will still prevent a PASS on emissions check if done by your state's computer system as it takes a period of time and or miles to read OK after the fix. Perhaps a week or a couple hundred miles - not sure exactly on that but about that. Here if you need the inspection you could get an "R" , colored black sticker which is perfectly legal for 30 days with a free retest within that time. A red "R" is not to driven on public roads. Don't know your local way it is done of course,

T
_________________________________________
Long retired now


Guest
Anonymous Poster

Mar 16, 2008, 1:20 AM

Post #4 of 11 (17100 views)
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I just delt with the same problem. No driveability issues just the annoying light. If you follow the hose from the secondary air pump you will find a hose that leads to the exhaust. There is a valve connected to it called the secondary air check valve (dealer part) It gets gummed up after about 4 yrs. They were about $40 each. easy fix but be careful taking them off. going to need two wrenches. I pulled the whole thing off and did it at my bench. You'll see what I mean when you look at it.


Guest
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Jul 27, 2008, 4:56 PM

Post #5 of 11 (16510 views)
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Guest
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bjfrvore@iowatelecom.net

Nov 29, 2008, 7:11 AM

Post #6 of 11 (15783 views)
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Re: po410 [In reply to] Sign In

I just had this code come on, on my 01 S-10 4 cyl. Where do I find the pump located?


Jeff Norfolk
Enthusiast
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Nov 29, 2008, 8:43 AM

Post #7 of 11 (15781 views)
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The pump is located behind the bumper (so to speak) on the passenger side. Pump is a common failure. Also when the pump fails the 40amp fuse that goes to it will blow. It is located on the inner fender wall. You will have to remove the battery to access it. There are also some relays in there along with a couple of fuses. Good Luck
Jeff


wngsfan
Anonymous Poster
jgallagher70@woway.com

Dec 7, 2008, 11:02 AM

Post #8 of 11 (15702 views)
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We are considering buying a '04 GMAC Envoy with po410 problem. What is involved to fix this problem and is it costly.


sopranos
Anonymous Poster
jgallagher70@wowway.com

Dec 8, 2008, 7:57 AM

Post #9 of 11 (15687 views)
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Re: po410 [In reply to] Sign In

I HAVE A2004 ENVOY WITH THAT (PO410)CODE AND WAS WONDERING HOW TO FIX IT. PLEASEGET BACK WITH ME I NEED AN ANSWER .


Guest
Anonymous Poster
sbad31@yahoo.com

Apr 15, 2009, 1:49 PM

Post #10 of 11 (14635 views)
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In Reply To
I HAVE A2004 ENVOY WITH THAT (PO410)CODE AND WAS WONDERING HOW TO FIX IT. PLEASEGET BACK WITH ME I NEED AN ANSWER .

I HAVE A 2000JIMMY DIAMOND EDITION ,AND HAD THE SAME PROBLEM .AM I BETTER OFF TAKING IT TO THE DEALER OR A GARAGE ,OR CAN MY HUSBAND FIX IT ?A LOT OF THINGS ON THIS TRUCK IS COMPLICATED TO FIX ON YOUR OWN.Unsure


Tom Greenleaf
Ultimate Carjunky / Moderator
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Apr 15, 2009, 4:59 PM

Post #11 of 11 (14633 views)
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Re: po410 [In reply to] Sign In

Hey! That thread is over a year and a half old on a different year so please start your own and sign in with any name you wish so we know how to follow it.

Do you have that code? Just state the condition YOU are having and please don't jump on old threads with different issues - even the model year of the same,

T
_________________________________________
Long retired now




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