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Re: 94 dodge dakota 3.9l failing nox at 15 mph
Posted to Emissions Forum on 3/17/2006 2 Replies

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The EPA approval requirement on that aftermarket cat is 30% reduction efficiency which will result in 966 ppm tailpipe NOx. Good luck with that.

THE CARB (and a few other state approvals) requiremen... Login to read more.

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