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International Automotive Technicians Network
Re: General question on catalyst monitoring
Posted to Technical Discussion Forum on 1/26/2021

Hi Robert,

[...trimmed text...]

OK then, in many states a car made in 95 and before (99 & older in CA - we have to be different for some reason) get a tail pipe sniff for a smog test, so ALL smog related devices get mo... Login to read more.