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 2017 (DE HEV) Service Manual: Auto Light Sensor Repair procedures
Inspection Check if the auto light control operates like a timing chart shown below. Tail lamp output and head lamp (Low) output is controlled based on the auto light sensor's input (illumination intensity) when the Auto Light Switch in Multi-Function Switch is turned ON, and ...

Kia Niro (DE HEV) Owners Manual: Opening the hood
1. Pull the release lever to unlatch the hood. The hood should pop open slightly. WARNING Open the hood after turning off the engine on a flat surface, shifting the shift lever to the P(Park) position for dual clutch transmission and setting the parking brake. 2. Go to the front of the ve ...

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