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:

Rear Coil Spring Replacement
1. Loosen the wheel nuts slightly. Raise the vehicle, and make sure it is securely supported. 2. Remove the front wheel and tire (A) from f ...

ETC (Electronic Throttle Control) System Inspection
Throttle Position Sensor (TPS) 1. Connect the GDS on the Data Link Connector (DLC). 2. Start the engine and measure the output voltage of TP ...

Rheostat Inspection
1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad side switch assembly (A). 3. ...