Multiple Choice
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
Correct Answer:

Verified
Correct Answer:
Verified
Q13: What is different about the Atkinson cycle
Q14: A variable displacement engine changes effective displacement
Q15: If the engine oil is not changed
Q16: What sensors are used by the PCM
Q17: To reduce oxides of nitrogen (NO<sub>x</sub>) exhaust
Q19: Variable valve timing can be found on
Q20: All of the following could cause noise
Q21: Variable valve timing is used to _.<br>A)
Q22: On engines that have variable cam timing
Q23: If the incorrect grade of engine oil