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.