Hyundai Sonata LF: Fuel Delivery System / Fuel Pressure Sensor (FPS) Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Engine Control / Fuel System / Fuel Delivery System / Fuel Pressure Sensor (FPS) Repair procedures

Inspection

1.	Connect the GDS on the Data Link Connector (DLC).

Check the output voltage of fuel pressure sensor (FPS).

Specification : Refer to “Specification”

Removal

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

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

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

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

5.	Remove the fuel pressure sensor fixing pin (B).

6.	Remove the fuel pressure sensor (C) from the fuel pump.

Installation

1.	Install in the reverse order of removal.

Fuel Pressure Sensor (FPS) Schematic Diagrams

Circuit Diagram Fail-Safe Mode Item Fail-Safe Output Voltage (V) 12 If the fuel pressure sensor malfunctions, it enters fail safe mode...

Fuel Line Repair procedures

Removal Whenever the high pressure fuel pump, fuel pipe, deliverypipe, or injector is removed immediately after shutting offthe engine, an injury may be caused by the release ofhighly pressurized fuel...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Description and Operation

OBD-II review 1. Overview The California Air Resources Board (CARB) began regulation of On Board Diagnostics (OBD) for vehicles sold in California beginning with the 1988 model year. The first phase, OBD-I, required monitoring of the fuel metering system, Exhaust Gas Recirculation (EGR) system and additional emission related components...

Hyundai Sonata LF 2014-2019 Service Manual: Steering Column and Shaft Repair procedures