Kia Forte: Variable Intake Solenoid (VIS) Valve Description
Second generation YD (2014-2018) / Kia Forte TD 2014-2018 Service Manual / Engine Control / Fuel System / Engine Control System / Variable Intake Solenoid (VIS) Valve 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 |
CVVT Oil Control Valve (OCV) Installation
•
Install the component with the specified torques.
•
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Variable Intake Solenoid (VIS) Valve Specification
Item
Specification
Coil resistance (Ω)
30.0 ~ 35.0 [20°C(68°F)]
...
See also:
Seat Heater (Non-Air Ventilation) Component Location
...
Tightening Torques
Items
N.m
kgf.m
lb-ft
Oil drain plug
58.9 ~ 78.5
6.0 ~ 8.0
43.4 ~ 57.8
Oil filler plug
58.9 ~ 78.5
6.0 ~ 8.0
...
Heated Oxygen Sensor (HO2S) Description
Heated Oxygen Sensor (HO2S) consists of zirconium and alumina and is installed
both upstream and downstream of the Catalytic Converter. It varies in accordance
with the air/fuel ratio.
Th ...
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