PO code 429

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Jan 4, 2011 | 10:54 AM

tht828

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Joined: Dec 2004

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PO code 429

The check engine light has come on my 98 S70 with a code PO 429. Any one know what might be causing it?

Jan 4, 2011 | 04:28 PM

tony1963

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Joined: Nov 2006

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From: Orlando FL

It is actually code P029 (zero, not "O") and indicates low catalyst efficiency. Only cure is a new cat.

Jan 4, 2011 | 10:30 PM

paul c

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Joined: Dec 2010

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From: berkley, ma.

is it an awd model by any chance?

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