Hyundai Kona: Fuel Delivery System / Fuel Pump Repair procedures

Hyundai Kona (OS) 2018-2026 Service Manual / Engine Control / Fuel System / Fuel Delivery System / Fuel Pump Repair procedures

Inspection

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

2.	Remove the fuel pump assembly.

Using an ohmmeter, measure the resistance between terminals 1 and 6 of sender connector (A) at each float level.

Pin No	Description
1	Fuel sender ground (-)
2	Fuel pressure sensor (FPS) signal input
3	Fuel pressure sensor (FPS) ground (-)
4	Ground
5	CAN [Low]
6	Fuel sender signal (+)
7	-
8	Fuel pressure sensor (FPS) power supply (+5V)
9	CAN [High]
10	Battery power (B+)

Also, check that the resistance changes smoothly when the float moves from "E" to "F".

Position	Resistance (Ω)	Capacity (L)
E	298 - 305	4
1/2	85.5 - 87.5	25.6
F	14.0 - 16.0	47.5

Removal

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

2.	Remove the rear seat cushion. (Refer to Body - "Rear Seat Assembly")

3.	Remove the fuel pump service cover (A).

4.	Disconnect the fuel pump control module connector (A).

5.	Disconnect the fuel pressure sensor connector (B).

6.	Disconnect the fuel feed tube quick-connector (C).

7.	Remove the locking ring (A) by using the special service tool [No. : 09310-B8100].

8.	Remove the fuel pump from the fuel tank.

Installation

1.	Install in the reverse order of removal.

Fuel Tank Repair procedures

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

Fuel Filter Repair procedures

Removal 1. Remove the fuel pump. (Refer to Fuel Delivery System - "Fuel Pump") 2. Disconnect the fuel pump motor connect ...

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