What Is An Exhaust Gas Recirculation System? | How does EGR System work?

Exhaust Gas Recirculation (EGR) Valve

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How to replace the EGR valve on the Volkswagen Golf 1.6 - Volkswagen Golf (MK 4, Golf 4, Golf IV)

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What Is EGR (Exhaust Gas Recirculation) – Principle, Working And Advantages! » Car Blog India

Tech Feature: Diagnosing Ford Exhaust Gas Recirculation System Problems

The exhaust gas from a power plant can be recovered and used as a raw reaction material