How does the PCM disable a cylinder on an engine with a variable displacement system?
A. The PCM turns off the fuel injector on selected cylinders and allows the intake and exhaust valves to operate normally.
B. The PCM turns off the fuel injector on selected cylinders and energizes an oil solenoid that results in both the intake and exhaust valves staying open in order to reduce pumping losses.
C. The PCM turns off the fuel injector on selected cylinders and energizes an oil solenoid that results in both the intake and exhaust valves staying closed in order to reduce pumping losses.
D. The PCM keeps the fuel injectors energized continuously on selected cylinders in order to reduce the volume of air that those cylinders can bring in.
Answer: C
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