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

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

Specification : Refer to “Specification”

Turn the ignition seitch OFF and disconnect the battery negative (-) cable.
Remove the rear seat cushion.
( Refer to Body - "Rear Seat Assembly" )
Remove the fuel pump sservice cover (A).

Disconnect the fuel pressure sensor connector (A).
Remove the fuel pressure sensor fixing pin (B).
Remove the fuel pressure sensor (C) from the fuel pump.

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 ...

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