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1999 trans am smog pump?

This is a discussion on 1999 trans am smog pump? within the General Help forums, part of the LSx Technical Help Section category; The Service engine soon light came on earlier today, i toke it to get read and this is what i ...

  1. #1
    Military Police FutureWS6's Avatar
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    1999 Trans Am

    1999 trans am smog pump?

    The Service engine soon light came on earlier today, i toke it to get read and this is what i got.

    P1416
    Air system bank 2 fault
    Explanation
    During the air system test the ECm looks for a change in the O2 sensor voltage- No change was detected
    Probable cause
    -Air pump electrical circuit fault
    -Blocked air system
    -Failed air pump

    And I was told it could be the smog pump.

    No real idea what it is, It isnt running any differently and still getting average milage...i really dont know what im supposed to be at just depends how i feel u know XD.

    any ideas?

  2. #2
    Spaz is My Mentor SMWS6TA's Avatar
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    Navy Blue Metallic
    98 T/A w/a little mods...

    If your has failed I'll sell you mine, I've deleted both air and egr from my T/A...

    PM me if interested...

  3. #3
    Military Police FutureWS6's Avatar
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    Ill let u know, Im not sure what it is yet

  4. #4
    Military Police FutureWS6's Avatar
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    uhh the light went away, but this is the second time its happened? what you think would cause it? last time was 3 weeks ago

  5. #5
    Spaz is My Mentor SMWS6TA's Avatar
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    Navy Blue Metallic
    98 T/A w/a little mods...

    Have you pulled out and check your O2's yet?

    Pm Frost he might have some suggestions for you

  6. #6
    Moderator Cutlass's Avatar
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    1999 Formula WS6 M6-sold
    2001 Silverado Z71

    does this sticky help you?

  7. #7
    Military Police FutureWS6's Avatar
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    yes it does, very helpful if it doesnt rain ima try to do this

  8. #8
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    Pewter
    2001 Pontiac Trans Am

    Your air check valves might be clogged. I had the same problem replace both of them myself. Only cost $24 for two of them. The problem went away

  9. #9
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    red
    2001 Ws6 Trans Am M6

    is it still the stock air intake? i installed the k and n kit on my ta and the smog pump had a second little filter of its own. about a day or two later i started pulling similar codes. come to find out when i installed the mini filter for the smog pump, i made a kink in the hose to it. five minutes with some rubber hose cutters and problem solved.

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