Repair procedures: Description

Variable Intake Solenoid (VIS) Valve is installed on the intake manifold and changes the effective length of the intake passenger to improve intake efficiency under varying engine conditions.

1. Low/Middle Speed: VIS Valve Close → Resonating Effect → Improving Intake Efficiency
2. High Speed: VIS Valve Open → Improving Intake Inertia Effect → Improving Intake Efficiency
   Fig 1: Identifying Variable Intake Solenoid Valve

   Courtesy of KIA MOTORS AMERICA, INC.
   Fig 2: Identifying Variable Intake Solenoid Valve Location

   Courtesy of KIA MOTORS AMERICA, INC.

SPECIFICATION