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Re: is 3500ppm nox precat on a 97 cavalier too high?
Posted to Emissions Forum on 2/19/2004 6 Replies

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Hi Rags,

Not to be picky (okay, maybe a little) but isn't the most abundant gas in the exhaust nitrogen (N2) ?

78% of what is going into the engine is nitrogen, and only a VERY small fraction of t... Login to read more.

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