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Re: EGR Fuel Comp PID - What is it?
Posted to Technical Discussion Forum on 2/19/2003

Pete V and Mark Warren are probably the guys to answer this one but I'll take a stab at it.

Some manufacturers use the STFT reaction to monitor certain functions. IE: as EGR opens, STFT will respond to the change at the O2 sensor. The STFT is "filtered" in c... Login to read more.