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r56 o2 sensor error
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  1. Second Generation Faults & Fixes
    Hi, I own a 2008 R56 Cooper S which recently threw an engine light. I recently completed a 100k service so was a bit surprised but nevertheless run my OBD scanner and it came up with code P0131. (P0131: Heated oxygen sensor (HO2S) 1, bank 1 - low voltage) I did some research around the place...
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