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Re: Ford scan data for O2 2500mV, is PCM using this for fuel trim?
Posted to Technical Discussion Forum on 9/26/2002

HI Ken,

Im sure there alot more people you will give you a better answer then mine, but i would think if the PCM knows the O2 is no longer working, why would it dump gas into Bank 1? If your scope is reading 0 volts and 400-500mv on the scanner i would assum... Login to read more.