When variable valve timing (VVT) is used, what controls the VVT actuator?
A) manifold boost
B) engine rpm
C) ECM
D) exhaust back pressure

Name: When variable valve timing (VVT) is used, what controls the VVT actuator? A) manifold boost B) engine rpm C) ECM D) exhaust back pressure
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Question

Quizplus · Accepted Answer

The ECM (Engine Control Module) controls the VVT actuator. It adjusts valve timing based on various engine parameters to optimize performance, fuel economy, and emissions.

When Variable Valve Timing (VVT) Is Used, What Controls the VVT