Oh BŁ$ger, SWMBO has just phoned "The EPC light has come on".

The manual says EPC is for petrol cars.
Mine is a 2004 A8 D3 3.0 TDI and runs on dirty diesel.

Anybody with an idea?
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Ray at Wigan Pier
2014 A8L D4 4.0TFSI Gold (Sticker says "Beige") Can't leave you in a black smoke cloud anymore..
In progress, Nothing left to do.
Gone 2004 A8 D3 3.0 TDI. Ebony Pearl Black (with little bits of other colours and glitter)