p0170 code came on and the fuel consumption has almost doubled. it idles at 16.5 and drives at 13-15s but at slightest throttle modulation dips to 11s and recovers slowly.

in this log the o2 voltage howers but seems to me too slow, compared to other logs I've seen. so I'm wondering if my o2 sensor is knackered and needs replacement

here is the log
http://wikisend.com/download/301812/EvoSca

 

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