emmisions

[eddies]

hi my clio 172 keeps failing mot on emmisions had new cat and lambda sensors the carbon dioxide is very high does anyone no what it could be

 

[Tom]

Hello and welcome from the ClioSport Admin Team

 

[eddies]

hi thanks i hope this could be usefull to me

 

[edde]

Fulty injecortes maybe you realy need to see where its failing in the rev range might help diagnose the issue.

 

[ben lee]

wont be a faulty injector. what make was the cat? more likely its failed a gain or the engine is still running on cold start try a new temp sensor.