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Re: Codes Checked - not in book...? 850 94

posted by  someone claiming to be Rich K. Fairfax, VA on  Sun Sep 23 06:57 CST 2001 [RELATED]

The 443 is for Three way catalytic converter (TWC) efficiency low. Replace the HO2S and the 443 will more than likely go away. The longer you run with a bad HO2S the more chance you take at damaging the Catalytic Converter.





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