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Hi everyone my 2012 2.0 JTDM has just failed the MOT on this problem, just wondering if anyone has the correct part number and also instructions or a guide as to how to replace the sensor? Thank you all!
 

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Which bank sensor is it you need to get to? Engine/Exhaust? I have removed the bank 1 so under the plastic engine cover and under the heat shield down the manifold. You need a deep socket 22mm type and a good ratchet wrench and an extension. It will be hard to crack so some penetrating fluid will help. Took me around 10 mins to swap one over for checking a fault code which had nothing to do with an 02 sensor. Thanks to a generic OBD code sending me down a rabbit hole :D
 

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