The misfuelling prevention device

Audi’s misfuel prevention cap fitted to some 2011 and beyond models

Audi introduced a fuel filler cap to a number of its 2011 models so as to prevent drivers misfuelling – pumping petrol in diesel car. Such an error, known as a misfuel, can be costly. Visit to see an article.

Diesel Head Misfuel Prevention Device stops pumping of petrol in diesel car

Diesel Head Misfuelling Prevention Device

However, Audi owners with older models may have to consider retrofitting a misfuel prevention device, such as the Diesel Head, see for information. The Diesel Head Misfuelling Prevention Device’s design prevents petrol nozzles accessing the fuel inlet pipe of a diesel car – a simple yet effective solution to a problem that occurs in the region of 150,000 times a year.