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Thread: PCM P 0410 Secondary Air Injection System Malfunction

  1. #46
    sparky58 is offline Cadillac Owners Member
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    Re: PCM P0410 Secondary Air Injection System Malfunction

    Quote Originally Posted by Ranger View Post
    No, it's just air supply.
    I must have a bad pump, would running direct power to it make it run, or are their other parameters?


  2. #47
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: PCM P0410 Secondary Air Injection System Malfunction

    You can jumper the pump leads to do a test, but that pump supplies fresh air to the exhaust manifolds in order to light off the cat quickly from cold start. Lots of conditions control on and off times, so the pump must be controlled by the emissions system and PCM.

  3. #48
    ewill3rd is offline Cadillac Technician
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    Re: PCM P0410 Secondary Air Injection System Malfunction

    There is a maxi fuse in the underhood fuse block check to see if it is blown.
    If it is, the thing has probabaly sucked in water.
    If you power and ground the pump and it won't run, it is bad.

    Doing so might be tricky.
    I have access to the scan tool so I go to the special functions and turn the pump on that way.

  4. #49
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: PCM P0410 Secondary Air Injection System Malfunction

    Bill, do you know when they fixed the water ingestion problem? Just wondering if a failure is in my future.

  5. #50
    chasplaybass is offline Cadillac Owners Member
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    Re: PCM P0410 Secondary Air Injection System Malfunction

    Hey Ranger I need your input.
    i just finished replacing both front and rear check valves on 2001 DTS. I will detail my adventure in a different post. The engine light is still on will it clear itself or will I have to get it cleared?
    Must say the rear valve was a pain getting to the bottom mount bolt and the hose screws.
    But please look over my post and see if its something you can add to make the experience more pleasant for other DIYers.
    thanks

  6. #51
    Ranger's Avatar
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    Re: PCM P0410 Secondary Air Injection System Malfunction

    If that was the cause of the SES light and you fixed it, the light will go out and the code will go to history after 3 successful ignition cycles with no failure detected, unless you clear the code yourself.

  7. #52
    chasplaybass is offline Cadillac Owners Member
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    Re: PCM P0410 Secondary Air Injection System Malfunction

    Thanks
    It didnt go out so I took it to a mechanic who cleared it for $25. He said everything came back clear and ready. Found out that Au Zo parts store can only give you the code but they are not suppose to clear?
    Thanks again

  8. #53
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: PCM P0410 Secondary Air Injection System Malfunction

    Learn to pull, read, and clear your own codes. The sticky thread at the top of this main page or up in Seville and Deville: "How to pull codes". Read the entire post, then pull your codes and return to the post and click on the link with "obd2" in the URL, then click on the P,B,C, and U links in the Main Index box.

    Ranger, if you can fabricate dogbones, you can run a longer AIR tube up into the engine compartment - that's the water problem right there.

  9. #54
    ewill3rd is offline Cadillac Technician
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    Re: PCM P0410 Secondary Air Injection System Malfunction

    Ranger,

    Basically 2000 to 2003.
    The latest TSB is version G and it is dated June 5, 2006.
    It varies depending on the model.

  10. #55
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    Re: PCM P0410 Secondary Air Injection System Malfunction

    I'll look into that Jim, but based on what Bill said I probably do not have to.

  11. #56
    ewill3rd is offline Cadillac Technician
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    Re: PCM P0410 Secondary Air Injection System Malfunction

    As you probably know the revised air intake has a box that clips to the inner fender to get air from the air box rather than just drawing air through a screen in the front part of the fender well.
    They still manage to get water in them. Not the best place to mount an AIR pump.

  12. #57
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    Re: PCM P0410 Secondary Air Injection System Malfunction

    Thanks Bill. I'll have to have a look see. I've never checked it (or had a problem with it......yet) so I don't even know what the air pump looks like.

  13. #58
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    turbojimmy is offline Cadillac Owners Connoisseur
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    Re: PCM P0410 Secondary Air Injection System Malfunction

    Quote Originally Posted by Ranger View Post
    Thanks Bill. I'll have to have a look see. I've never checked it (or had a problem with it......yet) so I don't even know what the air pump looks like.
    Hitting a Ford Explorer at speed gives you easy access to the air pump and associated plumbing. #2 in the pic is the pump. #1 is the revised plumbing that attaches high up inside the fender.



    Jim

  14. #59
    ewill3rd is offline Cadillac Technician
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    Re: PCM P0410 Secondary Air Injection System Malfunction

    Wow, I have never tried that method to access the hose before.
    Looks like that one has the updated parts from what I can see.
    Don't be offended but I might do it the old fashioned way....

  15. #60
    turbojimmy's Avatar
    turbojimmy is offline Cadillac Owners Connoisseur
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    Re: PCM P0410 Secondary Air Injection System Malfunction

    Quote Originally Posted by ewill3rd View Post
    Wow, I have never tried that method to access the hose before.
    Looks like that one has the updated parts from what I can see.
    Don't be offended but I might do it the old fashioned way....
    Reassembly is much more expensive if you do it my way ;-)

    Jim

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