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:
Measurement Point
Measurements should be taken at the center of the hole.
...
Low Fuel Level warning
This warning light indicates
the fuel tank is near empty. The warning light will come on when the fuel level
has dropped to about 2.2 US gal. (8.5 liters). Refuel as soon as possible. ...
Suggestions for Economical Operation
Your vehicle’s fuel economy depends mainly on your style of driving, where you
drive and when you drive.
Each of these factors affects how many miles (kilometers) you can get from a
gallon (liter ...