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helpfailed

  1. Cowie

    HELP....failed on emissions!

    Just took car in for MOT and it's failed on emissions result: CO <=0.300% (actual 0.724%) and second fast idle test gave (0.435%) lambda is ok 0.970-1.030 (1.018 actual) I do get emission light on now and again with the blue flame and on vag-com it throws up this code 16804 - Catalyst...