EGR stands for exhaust gas recirculation, and the EGR valve is part of a system that does as the name implies: recirculate exhaust gas back into the engine’s intake manifold for a return trip to the ...

Replacing the EGR cannot have affected the turbo. But the turbo might have been on the way out anyway. They usually fail because the turbo oil feed and/or oil return pipes get blocked with carbon from ...

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 ...

If your 2009 Ford Fusion is flashing a P0400 code, it means your Exhaust Gas Recirculation (EGR) system isn’t flowing as it should. This can lead to rough idling, reduced fuel efficiency, and higher ...

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 ...

If your Mercedes 190E is running rough, losing power, or failing emissions, the EGR system or vacuum lines could be the cause. Understanding how these systems operate and diagnosing them correctly can ...