Hyundai Kona: Fuel Delivery System / Fuel Line Repair procedures

Hyundai Kona (OS) 2018-2021 Service Manual / Engine Control / Fuel System / Fuel Delivery System / Fuel Line Repair procedures

Removal

1.	Release the residual pressure in fuel line. (Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line")

2.	Turn the ignition switch OFF, and then remove battery (-) terminal.

Disconnect the fuel feed tube quick-connector (A).

•	Open the clamp cover (B) before disconnecting the quick connector (if the clip is applied).

•	When removing the quick-connector by using a clip removing tool (A), be careful not to damage the plastic clip (B).

•	If the clip is damaged, fuel line leakage may occur due to poor connection.

4.	Disconnect the vapor hose (A) which is connected from the PCSV.

5.	Lift the vehicle.

6.	Remove the fuel tank. (Refer to Fuel Delivery System - "Fuel Tank")

7.	Remove the fuel and brake line protector (A).

8.	Remove the fuel feed line & vapor tube line fixing clips (A).

9.	Remove the fuel line.

Installation

Install in the reverse order of removal.

Delivery pipe installation nut (↔ Fuel feed tube) :

3.9 - 5.9 N.m (0.4 - 0.6 kgf.m, 2.9 - 4.3 lb-ft)

Fuel Pressure Sensor (FPS) Repair procedures

Inspection 1. Connect the GDS on the Data Link Connector (DLC). 2. Check the output voltage of fuel pressure sensor (FPS). ...

Filler-Neck Assembly Repair procedures

Removal 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Open the fuel filler door. 3. ...

Other information:

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Hyundai Kona (OS) 2018-2021 Service Manual: Schematic diagrams
Operation Condition for the ISG function Operation Condition for the ISG function After every engine start, the function is automatically active and on stand-by. The ISG OFF switch can be used to deactivate the function manually until the next terminal change. Pressing ...