Kia Niro: Crankcase Emission Control System / Evaporative Emission Control System Schematic diagrams

Kia Niro 2017 (DE HEV) Service Manual / Emission Control System / Crankcase Emission Control System / Evaporative Emission Control System Schematic diagrams

Schematic Diagram

1. Air cleaner
2. Delivery pipe & injector
3. Engine
4. Purge control solenoid valve (PCSV)
5. Fuel tank air filter
6. High pressure fuel pump
7. Fuel filler hose
8. Fuel filler cap
9. Fuel tank
10. Low pressure fuel pump

Canister

Canister is filled with charcoal and absorbs evaporated vapor in fuel tank. The gathered fuel vapor in canister is drawn into the intake manifold by the ECM/PCM when appropriate conditions are set.

Purge Control Solenoid Valve (PCSV)

Purge Control Solenoid Valve (PCSV) is installed in the passage connecting canister and intake manifold. It is a duty type solenoid valve and is operated by ECM/PCM signal.

To draw the absorbed vapor into the intake manifold, the ECM/PCM will open the PCSV, otherwise the passage remains closed.

Fuel Filler Cap

A ratchet tightening device on the threaded fuel filler cap reduces the chances of incorrect installation, which would seal the fuel filler. After the gasket on the fuel filler cap and the fill neck flange contact each other, the ratchet produces a loud clicking noise indicating the seal has been set.

Positive Crankcase Ventilation (PCV) Valve Repair procedures
Removal 1. Disconnect the vapor hose (A). 2. Remove the PCV valve (B). Inspection 1. Insert a thin ...

Evaporative Emission Control System Description and operation
Description 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 passe ...

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