[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.

Courtesy of KIA MOTORS AMERICA, INC.

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.

   Courtesy of KIA MOTORS AMERICA, INC.

   Default position: Middle

   CVVT operates in advanced/retarded directions.