Which bank? O2 sensor

N

Naylz

Member
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Hi it seems I have a O2 sensor fault, throwing code 2C6C and 2C7F, could someone please confirm if the attached screenshots from my Autophix reader mean it’s Bank 2? which I understand to mean cylinder 2 side, so is that left side of engine?? It obviously states post cat, just a bit confused as I’ve read on other posts saying that sensor 2 means post cat?? But my reader also has before cat sensor 2.

I am also going to try clearing adaptions before attempting to replace this sensor as I did unplug it the other day to clean the connectors as they had got soaked in oil…..and yes only started getting engine light and these codes after unplugging both of the pictured connectors to clean them and plug back in 🙈
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Bank 1 is cylinders 1-3 Bank 2 is cylinders 4-6..no 1 is at the front ..no 6 is at the rear
 
Update; well it turns out my battery was faulty. I have now renewed it and this sensor now gives a reading and the fault light has cleared and not returned, annoyingly I had bought a new sensor and socket that are now not needed.
 
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