Kia Forte: CVVT (Continuously Variable Valve Timing) System Operation Principle

The CVVT has the mechanism rotating the rotor vane with hydraulic force generated by the engine oil supplied to the advance or retard chamber in accordance with the CVVT oil control valve control.

CVVT (Continuously Variable Valve Timing) System Description

Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM control signal which is calculated by the engine ...

[CVVT System Mode]

(1) Low Speed / Low Load (2) Part Load (3) Low Speed / High Load (4) High Speed / High Load ...

See also:

Blower Resistor Inspection
1. Measure terminal-to-terminal resistance of the blower resistor. 2. If the measured resistance is not within specification, the blower re ...

Accelerator Position Sensor (APS) Installation
1. Install in the reverse order of removal. Accelerator pedal module installation nut: 12.8 ~ 15.7 N.m (1.3 ~ 1.6 kgf.m, 9.4 ~ 11. ...

Opening the fuel filler lid
The fuel filler lid must be opened from inside the vehicle by pulling up the fuel filler lid opener. If the fuel filler lid does not open because ice has formed around it, tap lightly or push o ...