Hyundai Sonata LF: Fuel Delivery System / Fuel Pressure Sensor (FPS) Schematic Diagrams

Hyundai Sonata LF 2014-2019 Service Manual / Engine Control / Fuel System / Fuel Delivery System / 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 pressure rises to match the increasing value of the current level and the pressure in the low pressure fuel line remains static despite the rising fuel pressure.

Fuel Pressure Sensor (FPS) Specifications

S..

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...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: 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. Release the residual pressure inthe high pressure fuel line by referring to the "Residualfuel pressure release procedure" before removingany high pressure fuel system components...

Hyundai Sonata LF 2014-2019 Service Manual: Fuel Pump Control Module (FPCM) Schematic Diagrams