Emissions Co2 failure

Discussion in 'Peugeot 306' started by Kristina, May 24, 2018.

  1. Kristina


    May 24, 2018
    Likes Received:
    Hi everyone, I failed my recent Mot on the emissions of CO2...
    I have a beloved peugeot 306, 1.4i. from 1998.
    Last year we changed the Lambda sensor, just recently we replaced the air filter, fuel filter and oil filter and did an oil change.
    Does anyone have any ideas what the problem could be and how we can sort it??
    Kristina, May 24, 2018
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