Chris Angus
It's not telling you the o2 sensor is faulty, just that it's not happy with the signal it's receiving, most commonly down to a fuelling issue.
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Vauxhall Corsa 1.2 X12XE 1999 - Bad flat spot (waveform) - Fixed # - Shane Gray October 3, 2013, 5:33 pm
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on October 3, 2013, 6:13 pm, in reply to "