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has anyone modifyed the exhaust gas sensor on an au?, or does anyone have technical info on how they work? it should not be that hard to fool the ecu into makeing the mixtures a leaner or richer.
Have a hunt around, you will find lots of info on them, but, they won't work in the way that I think you are thinking of, the ECU only uses the O2 sensor to trim mixtures on a steady throttle setting, eg cruising along at a set speed, the ECU does not use them at idle or on acceleration.
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