Kia Optima: 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 System Mode]](images/books/892/sbhec9116n.gif)
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 sp ...
[CVVT System Mode]
(1) Low Speed / Low Load
(2) Part Load
(3) Low Speed / High Load
(4) High Speed / High Load
...
See also:
Remove
1.
Turn ignition OFF and disconnect
the negative (-) battery cable.
2.
Remove the crash pad lower panel.
(Refer to Body – “Crash pad”)
3.
Disconnec ...
Circuit Diagram
...
Removal
1.
Release the residual pressure in fuel line (Refer
to “Release Residual Pressure in Fuel Line” in this group).
2.
Remove the fuel pump service cover (A) in the ...
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