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"Secondary air injection" throwing a code on my Formula. Help please!

This is a discussion on "Secondary air injection" throwing a code on my Formula. Help please! within the General Help forums, part of the LSx Technical Help Section category; Yeah, my check engine light came on and its my secondary air induction thats throwing the code, what the h*ll ...

  1. #1
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    "Secondary air injection" throwing a code on my Formula. Help please!

    Yeah, my check engine light came on and its my secondary air induction thats throwing the code, what the h*ll is that? Anyone have any reason why it would do that? Any help will be great.

    -Richard

    PS. I just realized that secondary is one word.

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    Nothing critical performance wise and OK to drive, but need the actual code to tell what's going on. Could be the air pump, fuse, clogged air check valve, etc. Got the code?

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    Grand Imperial Wizard Sarge's Avatar
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    Retired Outlaw Sum Bitch

    PCV valve or vacuum leak.....

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    I'll get the code on Monday. I'm on vacation right now in Destin, FL an will be home Monday.

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    Veteran 0rion's Avatar
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    if it's p1415 or p1416 it's probably a check valve. Number 30 on the diagram and ~$20 at napa. You could also check the air hoses for leaks.


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    ls1devil lt1dragon's Avatar
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    I had the same problem, I ended up replacing the smog pump, I was also blowing fuses left and right.

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    The code is a P0140 and a second one is P0140 but then at the end of the screen it has PD. It says the same thing though.

    I'm not blowing fuses right now.

  8. #8
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    P0140 isn't secondary air - bank 1 sensor 2 insufficient activity. Sure the code wasn't P0410? Or maybe both?

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