vw polo 1.2 2002 3 cylinders both sensors changed. live data shows bank 1 sensor 1 constant voltage 1.48 bank 1 sensor 2 shows voltage as 0.04 no fluctuation. bank 1 sensor 1 value 4 bank 1 sensor 2 value 6curent oxygen sensor value 1.001 coolant temp reads 81 deg cent any ideas for problem with engine light
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