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  1. p2004 alfa 159 ti 2.0 JTDM

    Alfa 159, Brera & 946 Spider
    Good morning. I have a re-occuring P2004 fault code which I know is bank 1 swirl flap stuck open. Because its stuck open there is no impact on performance. To investigate and replace is a very expensive job. I reset the code and it stayed away for along time. Its now back but I cant get rid of...