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Thread: P0430 on stock V, should I go with high flow cats?

  1. #1
    wjs0311 is offline Cadillac Owners Member
    Automobile(s): 2004 CTS-V
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    P0430 on stock V, should I go with high flow cats?

    I just picked up a clean 2005 V a few weeks ago. The other day the CEL came on so I stoped at autozone and it came back with a P0430 cat bank 2. Just wondering if I should go with high flow cats or what. Im a noob so take it easy. Thanks!

  2. #2
    darkman's Avatar
    darkman is offline Cadillac Owners Master
    Automobile(s): 2005 CTS-V
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    Re: P0430 on stock V, should I go with high flow cats?

    See attached.

  3. #3
    wjs0311 is offline Cadillac Owners Member
    Automobile(s): 2004 CTS-V
    Join Date
    Oct 2010
    Location
    Quad Cities
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    31
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    10

    Re: P0430 on stock V, should I go with high flow cats?

    Thanks for the reply. So it is either running too rich, lean, or had a missfire that fouled up the cat?


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