Hyundai Ioniq: Evaporative Emission Control System / Fuel Tank Air Filter. Repair procedures

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

Replacement

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

2.	Remove the filler-neck assembly (Refer to Engine Control/Fuel System - "Filler-Neck Assembly")

3.	Disconnect the vent hose (A).

4.	Remove the fuel tank air filter (B) after loosening the mounting bolts (A).

Canister. Repair procedures

Removal1.Turn ignition switch OFF and disconnect the negative (-) battery cable.2.Remove the fuel tank.(Refer to Engine Control/Fuel System - "Fuel Tank")3...

Fuel Filler Cap. Description and operation

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

Other information:

Hyundai Ioniq (AE) 2017-2025 Service Manual: Fuel Pressure Regulator. Repair procedures

Removal1.Remove the fuel pump.(Refer to Fuel Delivery System - "Fuel Pump") 2.Disconnect the fuel pump motor connector (A) and fuel sender connector (B).3.Press the fixing hook (A) with a driver and then remove fuel sender (B) in the arrow direction.4...

Hyundai Ioniq (AE) 2017-2025 Service Manual: Immobilizer Control Unit. Repair procedures

Removal1.Disconnect the negative (-) battery terminal.2.Remove the main crash pad assembly.(Refer to Body - "Main Crash Pad Assembly")3.Discnnect the connector of the immobilizer unit and then remove the immobilizer unit (A) after loosening a nut.Installation1...