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  1. B

    P0430 code

    Thanks for all the info, Ill get it fixed soon
  2. B

    P0430 code

    Thank you, very helpful WA state no longer requires emission tests and I am considering not fixing it and just check occasionally for other codes. Thoughts ?
  3. B

    P0430 code

    Thanks for the information, Is it possible for the cat to die and still flow? No exhaust leaks at all
  4. B

    P0430 code

    I know this is a common code and Ive read through the related posts, So my 02 Tahoe 5.3 189k threw the 0430 code. The vehicle runs great, no smells or smoke, smooth idle, starts great, plenty of power I replaced the downstream 02 sensor bank 2, cleared the code and it was fine for a couple days...

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