Mark I McConnell Posted January 27 Share Posted January 27 Just had my EML light come on in my 2017 A6 Ultra TDI. Hasn't gone into limp mode but not driving it just in case. Getting a diagnosis done next week. It's 82k done. Anyone any ideas what the most common fault might be. I'm thinking O2 sensor. Quote Link to comment Share on other sites More sharing options...
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