Re: is 3500ppm nox precat on a 97 cavalier too high?

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Posted to Emissions Forum on 4/16/2004 12 Replies

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Hi Randy,

You stated the truth here. I have no use for Pre-cat testing in diagnosis. This includes NOx failures on the IM240, and HC, CO failures on both TSI and IM240.

I have heard it argued that... Login to read more.

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