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International Automotive Technicians Network
Re: OBD-2 Versus Tailpipe sampling for emissions testing
Posted to Emissions Forum on 4/11/2003

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Hi Ken,

CDPHE (you refer to the East Denver tech center) has done multiple studies. I have a copy of one that was completed on 4/13/2000 and I know they have other data as well. I don't like quoting... Login to read more.