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Exhaust Gas Recirculation: Description and Operation

Emission Control Components:





Typical Emission Control Information Label:





The engine emission control system consists of the:
- EGR valve.
- differential pressure feedback EGR.
- EGR vacuum regulator solenoid.
- EGR tube.

The engine emissions control system:
- cycles crankcase gases back through the engine intake system.
- regulates ventilating air and blow-by fuel vapors.
- reintroduces exhaust gases into the combustion cycle.
- assists in the reduction of nitrogen oxides.