Faulty EGR Valve Symptoms: How It Impacts Performance and Repairs

TL;DR: The EGR valve recirculates exhaust gas to reduce emissions and protect your engine. The Exhaust Gas Recirculation (EGR) valve is a small but vital component of your engine’s emission system. It directs a portion of exhaust gases back into the intake manifold to reduce nitrogen oxide emissions, lower combustion temperatures, and improve fuel efficiency. […]