I own a 2013 Audi A6 diesel, which for the past six weeks has sporadically gone into limp home mode with the engine management light flashing. Each time, restarting the car has cleared the fault and ...

This is not in the least surprising because this is the EA189 Dieselgate engine on which EGR failures are extremely common. If you can't persuade the dealer and Volkswagen to replace it FoC, you will ...

Controlling vehicle emissions in modern vehicles involves more than just bolting up a catalytic converter and calling it a day. There are other components that effectively, and intuitively, cut out ...