jmurray01 Posted September 3, 2015 Share Posted September 3, 2015 Am I right in saying this is fault code P0420? If so I know what thatmeans (Catalyst System Efficiency Below Threshold) but just wantconfirmation that is actually the code I'm seeing!https://youtu.be/HlQjA0BAQZYThanks. Quote Link to comment Share on other sites More sharing options...
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