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Re: No you can't use the O2 sensors to judge a cat
Posted to Emissions Forum on 1/18/2011

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not my point . to say the rear 02 offers little info to me is wrong . if the pcm can use it , why can't i ? .

no i can't set a P0420 , but i can read a cat that's not working well . done it a 100 t... Login to read more.