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ok, one question i had about a wide band, can the factory ecu read off it? i know it doesnt bounce rich lean rich lean rich rich rich lean lean lean like a normal o2 the wideband says actual air/ fuel ratio. can the stock ecu read and understand it? would my car behave this was only until i complete a full drive cycle say a week or 2 or could it do this if i made a mistake (fu(ked up) and used a fuel additive that killed my cat and o2?
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