Hyundai Ioniq: Fuel Delivery System / Fuel Pressure Sensor (FPS). Repair procedures

Hyundai Ioniq (AE) 2017-2024 Service Manual / Engine Control/Fuel System / Fuel Delivery System / Fuel Pressure Sensor (FPS). Repair procedures

Removal
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Remove the rear seat cushion.
(Refer to Body - "Rear Seat Assembly")
3.
Remove the fuel pump service cover (A).

   
When reinstalling a protective cover for a fuel pump, remove the existing butyl tape and apply a new one.
Before assembling the protective cover, ensure that the temperature of the butyl is about 30°C using a hair dryer or a heat gun.

   
When installing the protective cover for the fuel pump, pay attention to the installation direction of the grommet and the protective cover.
The arrow (A) should be in the forward direction of the car.
Align the bulging part of the vehicle body (B) with the hole of the protective cover.
Align the bulging part of the grommet (C) with the bulging part of the protective cover.

4.
Disconnect the fuel pressure sensor connector (B).

5.
Remove the fuel pressure sensor fixing pin (A).
6.
Remov ethe fuel pressure sensor (B) from the fuel pump.

Installation
1.
Install in the reverse order of removal.

    Fuel Pressure Sensor (FPS). Schematic diagrams

    C..

    Delivery Pipe. Repair procedures

    Removal    • In case of removing the high pressure fuel pump, high pressure fuel pipe, delivery pipe, and injector, there may be injury caused by leakage of the high pressure fuel...

    Other information:

    Hyundai Ioniq (AE) 2017-2024 Owner's Manual: If an Accident Occurs


    WARNING For your safety, do not touch high voltage cables, connectors and package modules. High voltage components are orange in color. Exposed cables or wires may be visible inside or outside of the vehicle. Never touch the wires or cables, because it can cause an electrical shock, injury or death may occur...

    Hyundai Ioniq (AE) 2017-2024 Service Manual: Delivery Pipe. Repair procedures


    Removal    • In case of removing the high pressure fuel pump, high pressure fuel pipe, delivery pipe, and injector, there may be injury caused by leakage of the high pressure fuel. So don’t do any repair work right after engine stops...

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