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  1. #1
    Junior Member
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    Feb 2012
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    canada
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    exhaust check engine

    will the check engine light come on with just catback exhaust

  2. #2
    Member RARON455's Avatar
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    Dec 2007
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    fort worth texas
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    180

    white
    98 Ram air T/A Ls1/T-56

    No, should not even be an issue, If you dont touch the O2 sensors the engine will never even know.
    But your ears and neighbors will know the catback is there

  3. #3
    Veteran pajeff02's Avatar
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    Feb 2009
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    Mansfield, PA
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    Black & Blue
    '02 WS.6 / '07 Suburban

    ^^ This.

  4. #4
    Electrical Engineer KMdef9's Avatar
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    Jul 2009
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    North of the Motorcity
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    2,612

    Custom Swirly Black
    2001 WS6 M6

    Quote Originally Posted by RARON455 View Post
    No, should not even be an issue, If you dont touch the O2 sensors the engine will never even know.
    But your ears and neighbors will know the catback is there
    Quote Originally Posted by pajeff02 View Post
    ^^ This.
    ^^^


    If something did happen, get the codes scanned from your local autoparts store and let us know. Have them clear the codes and see if they reoccur.

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