P0430 on stock V, should I go with high flow cats?
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2004-2007 Cadillac CTS-V General Discussion Discussion, P0430 on stock V, should I go with high flow cats? in Cadillac CTS-V Series Forum - 2004 - 2007; I just picked up a clean 2005 V a few weeks ago. The other day the CEL came on so ...
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    wjs0311 is offline Cadillac Owners Member
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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!

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    darkman's Avatar
    darkman is offline Cadillac Owners Master
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    Re: P0430 on stock V, should I go with high flow cats?

    See attached.

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    wjs0311 is offline Cadillac Owners Member
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    Thread Starter

    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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