Fault Code P0422

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Sep 20, 2008 | 12:47 PM

hzleyesbrad

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Joined: Sep 2008

Posts: 3

Fault Code P0422

I have a 1996 900 S Saab and I would like to know what I need to do to get this fixed. Do I need to replace the Cat and the oxygen Sensor or just the Cat?

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