Hyundai Ioniq: Evaporative Emission Control System / Canister. Repair procedures

Hyundai Ioniq (AE) 2017-2025 Service Manual / Engine Electrical System / Evaporative Emission Control System / Canister. Repair procedures

Removal

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

2.	Remove the fuel tank. (Refer to Engine Control/Fuel System - "Fuel Tank")

3.	Disconnect the vapor tube quick-connector (A).

4.	Remove the canister (A) from the fuel tank after loosening the bolts (B).

5.	Disconnect the vapor hose (A).

6.	Remove the canister protectors (A).

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 ↔ Atmosphere

B : Canister ↔ Intake Manifold

C : Canister ↔ Fuel Tank

Installation

1.	Install in the reverse order of removal.

Schematic diagrams

Schematic DiagramCanisterCanister 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...

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