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Old 09-28-2008, 04:36 PM   #1
sl2ner08
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Default secondary air injection system!?!?!?!

my service engine soon light came on so i scanned it and it came up with error code 0410, it says its the secondary air injection malfuction, have no idea what this is please help
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Old 09-28-2008, 08:02 PM   #2
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Default Re: secondary air injection system!?!?!?!

Year and model?
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Old 09-28-2008, 08:15 PM   #3
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Default Re: secondary air injection system!?!?!?!

like WingsOFsaturn said it really helps to post year and model but id venture a guess that has something to do with the egr system as thats the only other place any kind of air is getting put into the incoming air supply
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Old 09-28-2008, 10:12 PM   #4
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Default Re: secondary air injection system!?!?!?!

It's either a 2000+, or it has the California emissions package. Those are the only cars with the secondary air injection system. This system pumps air into the exhaust, which allows some unburnt fuel to burn in the exhaust manifold, reducing certain emissions.

This has nothing to do with the EGR system. EGR stands for exhaust gas recirculation, and puts exhaust into the air going into the engine. This is the opposite of the air injection system. But it helps accomplish fewer hydrocarbon emissions.
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Old 09-28-2008, 10:29 PM   #5
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Default Re: secondary air injection system!?!?!?!

i think its a 2001 SL2 from some of his other posts
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Old 09-28-2008, 11:38 PM   #6
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Default Re: secondary air injection system!?!?!?!

P0410.
Either the air pump is not running when commanded on or the combination valve did not open. Check the fuse for the pump and the vacuum lines for the combination valve. This is the first step, look for the easy stuff.
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Old 09-28-2008, 11:41 PM   #7
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Default Re: secondary air injection system!?!?!?!

You most likely have carbon build up in the tube that attaches to the manifold flange or build up in the passage way on the back side of the flange.

Might need to take a few things apart and break out the wire brush. Just took care of the exact same code on a friends 2002 SC2.
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Old 10-01-2008, 06:49 AM   #8
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Default Re: secondary air injection system!?!?!?!

Nobody really told him what or where it is. sl2ner08 it the doodad on the front of the engine that runs from the manifold to over by the windshield washer reservoir. It's supposed to put air in to the exhaust and heat up the catilytic converter faster. As Low Saturn said, it's usually a clogged tube.
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Old 10-03-2008, 02:47 PM   #9
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Default Re: secondary air injection system!?!?!?!

any diagrams??? check fuses and all were fine, so thats not the problem
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Old 10-03-2008, 02:59 PM   #10
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Default Re: secondary air injection system!?!?!?!

Maybe something in this video might help.

http://nl.youtube.com/watch?v=dIrmkxj6wJE
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Old 07-09-2014, 01:57 PM   #11
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Default Re: secondary air injection system!?!?!?!

Quote:
Originally Posted by richpin06 View Post
Maybe something in this video might help.

http://nl.youtube.com/watch?v=dIrmkxj6wJE
I followed the steps in the video. Thanks Richpin for all your great Saturn walkthroughs (Have already helped me fix 4 minor issues on my car without having to take it to a mechanic). Very helpful for us novices...

Anyway, my 01 sl1 threw the codes p0408 and p0410. The 08 was fixed easily by cleaning up the egr valve. For the p0410 all I had to do was clean the metal tubing going from the diverter to the manifold (vacuum was fine). Since clearing the code, no more problems. Car drives a bit more smoothly, too.
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Old 06-10-2015, 09:56 PM   #12
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Default Re: secondary air injection system!?!?!?!

I worked through my air injection system and everything worked. Vacuum was getting all the way to the diaphragm and the tube on the exhaust manifold was clear of blockages. I even ran the car with the tube open to the air to make sure the manifold airways weren't completely blocked. It all checked out. What I did find is that when I took apart the secondary injection shutoff and check valve body, I found that there was a reed type metal flap that had snapped from wear. Your best bet at that point is to find a pick-n-pull or bite the bullet and buy a new one off of amazon.
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