Thread: Voltage reading coming from o2 sensor plug, ECU side? M103 in a '91 190e.
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Old 06-19-2017, 01:37 PM
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RolandTiangco RolandTiangco is offline
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Haha, great response.
Thanks Frank - I'm familiar with how an O2 Sensor works.
97SL320 - Thanks for reading, I believe you are correct. The reading I was getting is indeed the bias voltage.
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