![Kia Rio: CVVT (Continuously Variable Valve Timing) System: [CVVT System Mode] - Exhaust Emission Control System - Emission Control System - Kia Rio UB 2012-2024 Service Manual](images/pages/small/3.png)
Kia Rio: CVVT (Continuously Variable Valve Timing) System: [CVVT System Mode]
| (1) Low Speed / Low Load |
(2) Part Load |
|
|
| (3) Low Speed / High Load |
(4) High Speed / High Load |
|
|
| Driving Condition |
Exhaust Valve |
Intake Valve |
||
| Valve Timing |
Effect |
Valve Timing |
Effect |
|
| (1) Low Speed /Low Load |
Completely Advance |
* Valve Under-lap * Improvement of combustion stability |
Completely Retard |
* Valve Under-lap * Improvement of combustion stability |
| (2) Part Load |
Retard |
* Increase of expansion work * Reduction of pumping loss * Reduction of HC |
Retard |
* Reduction of pumping loss |
| (3) Low Speed /High Load |
Retard |
* Increase of expansion work |
Advance |
* Prevention of intake back flow (Improvement of volumetric
efficiency) |
| (4) High Speed /High Load |
Advance |
* Reduction of pumping loss |
Retard |
* Improvement of volumetric efficiency |
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 con ...
See also:
Hazard warning flasher lighting
The hazard warning flasher should be used whenever you find it necessary to stop
the car in a hazardous location. When you must make such an emergency stop, always
pull off the road as far as po ...
Front Wiper Motor Component Location
1. Cap
2. Nut
3. Wiper arm & blade
4. Rivet
5. Cowl top cover
6. Bolt
7. Wiper motor & linkage assembly
...
Description
Keyless Entry System
The keyless entry system allows you to lock and unlock the vehicle with
the remote transmitter. When you push the LOCK button, all doors lock. When
you push the UNLOC ...
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