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:
Engine overheat
If your temperature gauge indicates overheating, you will experience a loss of
power, or hear loud pinging or knocking, the engine is probably too hot. If this
happens, you should:
1.Pull off the ...
Valve Body Components Location
1. PCV adjust screw
2. Solenoid valve
3. Oil temperature sensor
4. Accumulator
5. Low & reverse brake(LR/B) pressure flow hole
6. Under drive brake (UD/B) pressur ...
Specifications
Item
Specification
Rated voltage
DC 3V
Service voltage range
DC 2.7V ~ 3.5V
Temperature range
-4°F ~ 140°F (-20°C ~ +60°C)
...
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