Kia Rio: Operation - Evaporative Emission Control System - Emission Control System - Kia Rio UB 2012-2019 Service ManualKia Rio: Operation

Evaporative System Monitoring


Evaporative And ORVR Emission Control System
This system consists of below items;
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Fill vent valve
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Fuel shut-off valve
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Fuel cut valve (for roll over)
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Two way valve (pressure/vacuum relief)
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Fuel liquid/vapor separator which is installed beside the filler pipe
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Charcoal canister which is mounted under the rear floor LH side member and protector
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Tubes and miscellaneous connections
While refueling, ambient air is drawn into the filler pipe so as not to emit fuel vapors in the air. The fuel vapor in the tank is then forced to flow into the canister via the fill vent valve. The fuel liquid/vapor separator isolates liquid fuel and passes the pure vapor to the charcoal canister.While the engine is operating, the trapped vapor in the canister is drawn into the intake manifold and then into the engine combustion chamber. According to this purge process, the charcoal canister is purged and recovers its absorbing capability.


1. Fuel filler cap
2. Fuel filler pipe
3. Fuel shut-off valve
4. Fuel tank
5. ORVR valve
6. Roll over valve (ROV)
7. Evaporative hose
8. Evaporative hose
9. Canister
10. Canister close valve (CCV)
11. Fuel feed line
12. Fuel tank pressure sensor (FTPS)
13. Purge control solenoid valve (PCSV)

Description
The Evaporative Emission Control System prevents fuel vapor stored in fuel tank from vaporizing into the atmosphere. When the fuel evaporates in the fuel tank, the vapor passes through vent h ...

Schematic Diagram
Canister The Canister is filled with charcoal and absorbs evaporated fuel vapor from the fuel tank. The gathered fuel vapor in canister is drawn into the intake manifold by the ECM/PC ...

See also:

Description
Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM control signal which is calculated by the engine ...

26 Brake Control Solenoid Valve(26/B_VFS) Specifications
Direct control VFS[26/B] ▷ Control type : Normal low type Control Pressure kpa (kgf/cm², psi) 9.81 ~ 500.14 (0.1 ~ 5.1, 1.42 ~ 72.54) Current value(mA ...

Thermostat: Installation
1. Place the thermostat in the block. Install the thermostat (B) with the jiggle valve upward. 2. Install the water inlet fitting (A). ...

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