What happens to the mass of intake airflow into an engine when the EGR is enabled?
A)Nothing happens.
B)The mass increases.
C)The mass decreases.
D)The mass becomes cooler.

Question

Quizplus · Accepted Answer

When EGR (Exhaust Gas Recirculation) is enabled, a portion of the exhaust gases is recirculated back into the intake air, reducing the amount of fresh air entering the engine, thus decreasing the mass of intake airflow.

What Happens to the Mass of Intake Airflow into an Engine