Anti pollution fault

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Ramc4
Posts: 41
Joined: 02 Nov 2019, 14:19
Location: Scotland
My Cars: Citroen c4 coupe 2006
x 1

Anti pollution fault

Post by Ramc4 »

I'm getting this error again. The last time the garage said there was carbon build up on the oxygen sensor and that they sprayed something on it, some cleaner which fixed it.

Is this just a case of unscrewing the oxygen sensor and cleaning around it?

I assume this is what's likely causing my car to rough idle and stall when I'm at a stop?
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citroenguy
(Donor 2021)
Posts: 187
Joined: 21 Sep 2017, 18:05
Location: Luleå, in the far north of Sweden
Lexia Available: Yes
My Cars: Hobby car + daily: 1996 Xantia 1.9TD SX 84k miles

Past:
Citroën C5 I 2.0i 16V SX Saloon-04
Citroën BX16RS -88 stolen and burned :(
Citroën BX 19GTi -89
Citroën C5 II 2.0i 16v -05
Citroën ZX 1.8i 16V Break -96
2x Rover 620 Sterling
Rover 620Ti
Volvo 850
Various C5 and Xantia bought and sold
x 55

Re: Anti pollution fault

Post by citroenguy »

I'd get read for codes with a Lexia/Diagbox.
I the check engine light present?
I have various repair handbooks and wiring diagrams for C5 mk1, Xantia, XM, Berlingo and C3 mk1.
I have Lexia/Diagbox (Sweden) and Servicebox/sedre
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Ramc4
Posts: 41
Joined: 02 Nov 2019, 14:19
Location: Scotland
My Cars: Citroen c4 coupe 2006
x 1

Re: Anti pollution fault

Post by Ramc4 »

Yes it's present.
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