Kia Sedona: Variable Intake Solenoid (VIS) Valve Description and Operation| Description |

| Engine condition | VIS valve 1 | VIS valve 2 | Operation |
| Intake Manifold | Surge Tank | ||
| Low speed | Closed | Closed | Increasing engine performance in low engine speed by reducing intake interference among cylinders |
| Medium speed | Open or Closed | Open | Increasing intake efficiency |
| High speed | Open | Open | Minimizing intake resistance by shortening intake manifold length and increasing area of air entrance |

Variable Intake Solenoid (VIS) Valve Specifications
Variable Intake Solenoid (VIS) Valve Schematic DiagramsSchematic Diagrams
Circuit Diagram
...
Muffler Components and Components Location
Components
1. Gasket2. Hanger3. Front muffler4. Catalytic converter & Center muffler assembly5. Rear muffler6. Tail muffler
...