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Basic Mode ScreenKia Cee'd JD Service Manual: Variable Intake Solenoid (VIS) Valve Description and operation
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). ...
Kia Cee'd JD Service Manual: Troubleshooting
Troubleshooting
Symptom
Suspect area
Engine will not start or struggle to start
Vapor hose damaged or disconnected
Engine struggles to start
Malfunction of the Purge Control Solenoid Valve
...