[Problem] saxo 1.4i exclusive 75cv lambda sensor (o2)

  1. #1
    please help me!

    see my video

    https://www.youtube.com/watch?v=i8xnsAjnnn0

    1 minute after cleaning the sensor, its black again. sometimes, the engine does not even start at first try.

    spark plugs stay black also.

    when i hit the aceleration pedal, it takes a little time to respond