What sequence of events occurs to trap some exhaust in the cylinder during a cylinder deactivation event?
A) The intake valve is disabled and the fuel injection is stopped
B) After a normal combustion event has occurred, the exhaust valve is closed
C) The sequence is repeated according to the firing order of the engine
D) All of the above

Question

Quizplus · Accepted Answer

During a cylinder deactivation event, all the mentioned steps occur: the intake valve is disabled and fuel injection is stopped to prevent the cylinder from taking in air and fuel, after a normal combustion event, the exhaust valve is closed to trap exhaust gases in the cylinder, and this sequence is repeated according to the engine's firing order to ensure smooth operation and maintain balance in the engine.

What Sequence of Events Occurs to Trap Some Exhaust in the Cylinder