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 ...

The Exhaust Gas Recirculation (EGR) valve sends some of the exhaust gas back into the cylinders to reduce combustion temperature. This is required because nitrous oxides (nasty pollutants) form when ...

You’ll almost certainly cause the dashboard to present you with a `check engine’ warning light, Brett, as blocking off the Exhaust Gas Recirculation (EGR) valve is an intrinsic part of the vehicle’s ...

BMW owners whose cars need essential recall work are having to go up to two months without their vehicles, because the company admits parts supply issues and workshop availability are leading to ...