peugeot 308 anti pollution fault

pustieboy

Member
Fellow Frogger
Tadpole
Joined
Jan 7, 2021
Messages
147
Location
Australia
i got warning that the 02 sensor was faulty i did o2 manifold semsor few days before that and code cleared but then i got warning other 02 sensor was faulty as well so i replaced that one but code didnt clear so i did with can tool but 2 days later anti pollution fault came up again but the scan tool didnt find any errors i not sure what is going on can i get help please,thanks
 
it has come up now with a error P2237 saying that top )2 sensor is still not functioning i thought was code for the bottom sensor so i changed that as well but apparntly u can get multi codes for the one issue
 
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