o2 voltage bouncing

10-05-2012, 07:33 PM

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o2 voltage bouncing

doing a data run on my lsx and the o2 voltage is bouncing from 700 or so down to 30-50 during high idle 1400 rpm. what would cause this. thanx

10-05-2012, 08:24 PM

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It's supposed to do that. Narrowband o2 sensors swing between 0 and 1 volt with 450mV being stoich.