Kia Rio: Description
Variable Intake manifold Solenoid (VIS) valve is installed on the intake
manifold. The VIS valve controls the vacuum modulator which activates a valve
in the intake manifold. The ECM opens or closes this valve according to engine
condition (Refer to below table).
| Engine condition |
VIS valve |
Operation |
| Medium speed |
Closed |
Increasing engine performance in low engine speed by reducing
intake interference among cylinders |
| Low / High speed |
Open |
Minimizing intake resistance by shortening intake manifold length
and increasing area of air entrance |
Specification
Item
Specification
Coil resistance (Ω)
30.0 ~ 35.0 [20°C(68°F)]
...
See also:
Cruise control system
The cruise control system allows you to program the vehicle to maintain a constant
speed without depressing the accelerator pedal.
This system is designed to function above approximately 25 mph (40 ...
Removal
1.
Disconnect the battery negative cable, and wait for at least thirty
seconds before beginning work.
2.
Remove the seat belt after pushin ...
Towing
If the vehicle needs to be towed, call a professional towing service.
Never tow vehicle with just a rope or chain. It is very dangerous.
...
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