Here's why we need it, how the PCM checks it and why it helps reduce tailpipe gases. Exhaust gas recirculation (EGR) is used to control emissions in every automotive engine built since the Clean Air ...

Let’s be real: EGR (Exhaust Gas Recirculation) systems are a love-hate thing in the car world. They’re supposed to help reduce NOx emissions by feeding a bit of exhaust gas back into the engine to ...

First timer here and hoping someone might be able to help with a problem I'm having with my Ford Focus. I have recently blanked the EGR valve on my 2006 Focus 1.6 TDCI (DV6 engine) as I heard there ...

Hey everyone! Pete, The Hybrid Guy here, and I am pumped to tell you about how I solved the pesky P0401 EGR insufficient flow on my 2010 Toyota Prius. If you remember, this is the car that I was ...