Engine Fault Code

Faults and Technical chat for the Citroen C4 Cactus
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Engine Fault Code

Post by Inchy » Sun May 27, 2018 8:59 pm

Evening all,

I've recently began to see an engine fault appear on my dashboard. Upon interrogation with my OBD reader, the two fault codes are P220a and P220a P

I've had a look online but nothing seems to be conclusive. Can anyone shed light on the matter?
Many thanks.
José the Scottish Cactus. A 2015 Flair, Arctic Steel with black bumps.
History: Capri 2.0S, Mk1 Golf GTI, Mk2 Golf GTI 16V, Xantia TD, Xsara TD, C5 TD, 9-3 TiD Anniversary...

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Re: Engine Fault Code

Post by Shep2015 » Thu May 31, 2018 8:58 pm

I am trying to obtain a workshop manual if I have any success I will be in touch :D

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Re: Engine Fault Code

Post by littlejim » Fri Jun 01, 2018 4:15 pm

Nitrogen oxides NOx sensor 1. bank 1 - supply voltage circuit malfunction (Generic - Common for all car manufacturers)

see here : http://obdii.pro/en/code/P220A :geek:
Shine 1.2 Pure Tech 110, Shark Grey

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