Exhaust Gas Recirculation Valve (EGR)

What is a Exhaust Gas Recirculation Valve (EGR)?

The Exhaust Gas Recirculation Valve (EGR) is part of the car exhaust system system. We have 3 associated problem symptoms connected to it.

What problems can be caused by this part?
We have 55 owner problems that mention the Exhaust Gas Recirculation Valve (EGR)