Hyundai Sonata: Fuel Delivery System / 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).

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. This means that the fuel p ...

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 rele ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Repair procedures
Compession Pressure Inspection     If the there is lack of power, excessive oil consumption or poor fuel economy, measure the compression pressure. 1. Make sure the oil in the crankcase is of the correct viscosity and at the correct level and that the battery is correctly ...

Hyundai Sonata LF 2014-2019 Owners Manual: Automatic Climate Control System
To defog inside windshield 1. Select desired fan speed. 2. Select desired temperature. 3. Press the defroster button (). 4. The outside (fresh) air position will be selected automatically. If the outside (fresh) air position is not selected automatically, adjust the corresponding button manually. ...

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