Hyundai Veloster: Variable Intake Solenoid (VIS) Valve. Description and Operation
Description

|
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). Repair procedures
Variable Intake Solenoid (VIS) Valve. SpecificationsEmergency starting
Connect cables in numerical order and disconnect in reverse order.
Jump starting
Jump starting can be dangerous if done incorrectly. Therefore, to avoid harm
to yourself or damage to your vehicl ...
Troubleshooting
Troubleshooting
Symptom
Possible cause
Remedy
Hard steering
Improper front wheel alignment
Excessive turning resistance of lower ar ...
Fuel Tank Pressure Sensor (FTPS). Description and Operation
Description
Fuel Tank Pressure Sensor (FTPS) is a component of the evaporative emission
control system and is installed on the fuel tank, the fuel pump, or the canister.
It checks the purge ...