I have a p0158. When I check the datastream on my scan tool it shows the downstream o2 sensor stuck at 1.27 volts. After a few minutes it starts to fluctuate between 1 volt and 1.27 volts. After that it will fluctuating, for example between.80 and.86 volts
It does not follow the upstream sensor at all.
Thank you
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Thursday, November 1st, 2018 AT 10:52 AM