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Automotive
ASE Certification
EGR, PCV & Ignition Systems
Knowledge Check
EGR, PCV & Ignition Systems
Knowledge Check
Knowledge Check
1 / 11
What is the function of Variable Valve Timing (VVT)?
A
Alter camshaft timing to optimize performance, efficiency, and emissions across the RPM range
B
Control the transmission shift points
C
Adjust the air-fuel ratio based on engine load
D
Vary the compression ratio of the engine
Check Answer
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