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Emissions help

This is a discussion on Emissions help within the General Help forums, part of the LSx Technical Help Section category; I need some help, I cant get my car to pass CO emissions. The car is running to rich. Any ...

  1. #1
    Junior Member Dreamnz28's Avatar
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    Emissions help

    I need some help, I cant get my car to pass CO emissions. The car is running to rich. Any ideas??

    The Camaro only has 27k miles.

  2. #2
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    2002 z28

    We have an old Cadillac like 91 and we put a bottle of alcohol in the gas tank when we need to get the emissions tested

  3. #3
    Senior Member Danger731's Avatar
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    Odd you can't pass emmisions, engine hot enough ?, Cats are bad ?

  4. #4
    Junior Member Dreamnz28's Avatar
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    here is what I have for mods.....Custom tune, slp air box/ram air, granetelli Mass air, Hooker long tubes/dual cats no mufflers,
    19"(front) 20" (back) Diablo Wishbones

  5. #5
    Veteran 0rion's Avatar
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    have you tried it with the stock maf back on there? My guess would be your tune is a little off.

  6. #6
    Auto Painter RyanJM's Avatar
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    You have the OBD2 plug test? I pass emmisions in TX with long tubes and a ORY since my rear o2's are deleted.
    I have the Granatelli MAF, so I can't see that causing it. You have long tubes and a tune, so your rear o2's should be deleted if not have the tuner you went to delete them so they no longer read when the plug the OBD 2 in. I had mine deleted since I have no cats.
    Only thing I can think as your tune is set too rich(have to go get the tune redone).

  7. #7
    Junior Member Dreamnz28's Avatar
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    It passed before with the exact same setup. The car doesnt get driven to often

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