Engine error lite code PO430 catalyst effency, Bank 2

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Cosmo - 16 Jan 2006 19:11 GMT

1998 SOHC 4.0 Explorer. I would like some help determining
whether PO430 is up flow or down flow sensor. I think it must be the
up flow as I replaced the down flow sensor about 6 months ago.
Your help would be much appreciated.

Thanks in advance

Everett

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bh--@webtv.net - 21 Jan 2006 22:56 GMT

the cat failed, if u replaced the downstream o2 u shot the
messanger,,,need a cat

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Cosmo - 22 Jan 2006 19:21 GMT

I think you are correct, I hate to bite the bullet and purchase one
but the history of this is pointing that way. Thanks for the reply.

Sincerely

Everett Cotton

>the cat failed, if u replaced the downstream o2 u shot the
>messanger,,,need a cat

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