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rough running

  1. Fault codes p0325 , p0403 , p0141

    806/807
    Hi getting these fault codes , ive changed the oxygen sensor but still comes up , it is running abit rough , its had a erg valve on a while ago so wouldnt imagine that been a problem , its a petrol 2.0 auto . Does it sound like its down to knock sensor . Any ideas where abouts these are . Cheers
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