Reprogramming ECU to turn off O2 Sensors

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Reprogramming ECU to turn off O2 Sensors

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07-25-2013, 06:00 AM

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Track rat

Join Date: Nov 2006

Location: Southern ID

Posts: 3,701

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Both shops are mistaken because the o2 sensors aft of the cats only sniff for emissions and don't affect mixture trims. I would disconnect the batt again for one minute to reset the DME and see what you get. Is it possible you crossed the pos/neg terminals and fried your DME?

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