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Subject:Re: O2 Sensor problem
From:David Beierl
Date:Tue, 24 Mar 2020 23:35:55 -0400
>
>  go down from .92 to .45 and stumbling go away?
>

If the sensor cools off and goes off line you'll see 0.45V on the line
impressed by the ECU as a probe to tell if the sensor is active.

Yrs,
d