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on vacation check engine light on, code P0422??? 850 1997

posted by  Chuck Jaxel on  Mon Aug 24 16:18 CST 2009
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last visit: Tue Mar 11 15:58 CST 2014
[RELATED]

Hi all,
Got this code while driving in the hills of PA. According to my scan tool book this code means Main catalyst efficiency below threshold bank 1. What does this mean? Am I doomed to failure soon? I have a very basic scan tool, but the codes are universal? Please help.
Thanks.
Chuck Jaxel.
Car is a 1997 850 na with around 190k on it.
Replaced entire exhaust system less than 6 months ago.





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