Kia Niro: Crankcase Emission Control System / Evaporative Emission Control System Description and operation

Kia Niro 2017 (DE HEV) Service Manual / Emission Control System / Crankcase Emission Control System / 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 passes through vent hoses or tubes to the canister filled with charcoal and the canister temporarily holds the vapor in the charcoal. If ECM determines to draw the gathered vapor into the combustion chambers during certain operating conditions, it will use vacuum in intake manifold to move it.

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. H ...

Canister Repair procedures
Removal 1. Turn ignition switch OFF and disconnect the negative (-) battery terminal. 2. Remove the fuel tank. (Refer to Engine Control / F ...

Other information:

Kia Niro (DE HEV) Owners Manual: Pre-tensioner seat belt
Your vehicle is equipped with driver's and front passenger's and rear side passenger’s (if equipped) pre-tensioner seat belts (retractor pre-tensioner). The pre-tensioner seat belts can be activated, where the frontal collision is severe enough, together with the air bags. When th ...

Kia Niro 2017 (DE HEV) Service Manual: Electric EGR Control Valve Repair procedures
Inspection [Motor] 1. Switch "OFF" the ignition. 2. Disconnect the EEGR valve connector. 3. Check if the EEGR valve is stuck by foreign material. 4. Measure the resistance between 1 a ...

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