Kia Rio: Evaporative Emission Control System / Canister

Kia Rio 2017-2025 YB Service Manual / Emission Control System / Evaporative Emission Control System / Canister

Repair procedures

Removal

1.	Turn the ignition switch OFF and disconnect the battery negative (-) terminal.

2.	Remove the fuel tank assembly. (Refer to Fuel System - "Fuel Tank")

3.	Disconnect the vapor hose and quick-connector (A) and ventilation hose (B).

4.	Remove the mounting bolt (A) and then remove the canister.

Inspection

Check for the following items visually.

–	Cracks or leakage of the canister

–	Loose connection, distortion, or damage of the vapor hose/ tube

A: Canister ↔ Fuel Tank

B: Canister ↔ Intake Manifold

C: Canister ↔ Atmosphere

Installation

1.	Install in the reverse order of removal.

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 f ...

Fuel Filler Cap

Description and operation Description A ratchet tightening device on the threaded fuel filler cap reduces the chances of incorrect installation, which would seal the fuel filler. After ...

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