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Discussion Starter · #3 ·
Re: Does this seem like a bad Catalytic Converter? (O2VW1.8T)

Quote, originally posted by O2VW1.8T »
why not to B1S2 test and find out, plus do you have any codes usally PO420 means bad cat and can you hear it rattle

sorry , but what is B1S2?

no codes, no rattle, CELs free too.
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