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International Automotive Technicians Network
Re: Exhaust emission testing - methods and limits
Posted to Emissions Forum on 5/12/2001

Ken,

The Federal test Procedure (FTP) is the cycle that the car manufacturers have to pass to get a type approval. It's REAL long and has cold starts and cold soaks and all sorts of things in it. The LAST 240 seconds of this FTP is SUPPOSED (and I do say SUP... Login to read more.