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Home >> Hyundai >> 2021 >> Venue Denim >> Repair and Diagnosis >> Engine Mechanical >> Auxiliary Emission Control Systems >> Exhaust Emission Control System >> CVVT (Continuously Variable Valve Timing) System >> Description And Operation >> Description >> Intermediate Lock CVVT

Intermediate Lock CVVT

It increases the retarded amount compared to the default state to expand the operating range of the variable valve timing system.

The cam phase is fixed mechanically so that it is locked at the middle position.

G14694343Courtesy of HYUNDAI MOTOR AMERICA
Effect
Improves fuel efficiency by approx. 1.7%. Expands the intake CVVT operating range. (Increases the retarded amount by up to 30° compared to the default state.)
LIVC (Late Intake Valve Close)
  1. Improves fuel efficiency by reducing pumping loss.
  2. Improves knocking characteristics by reducing compression ratio.
G14694344Courtesy of HYUNDAI MOTOR AMERICA
 
Default position: Middle
CVVT operates in advanced/retarded directions.