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Re: No you can't use the O2 sensors to judge a cat
Posted to Emissions Forum on 1/19/2011 1 Reply

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Interesting that you should say that. I had a car in the other day for a MIL. (evap code) I took a look at the O2 sensors and they mirrored exactly, but no cat code. I thought maybe it would return s... Login to read more.

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