Hyundai Sonata: 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
Specification Pressure [KPa (kgf/cm?, psi)]Output Voltage (V)50 (0.51, 7.3)0.3600 (6.12, 87.0)2.51100 (11.2, 159.5)4.5 ...

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. Tu ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Changing Engine Coolant
Have coolant changed by an authorized HYUNDAI dealer according to the Maintenance Schedule at the beginning of this chapter. WARNING Do not use engine coolant or antifreeze in the washer fluid reservoir. Engine coolant can severely obscure visibility when sprayed on the windshield and may cause lo ...

Hyundai Sonata LF 2014-2019 Owners Manual: Light Bulbs
Consult an authorized HYUNDAI dealer to replace most vehicle light bulbs. It is difficult to replace vehicle light bulbs because other parts of the vehicle must be removed before you can get to the bulb. This is especially true for removing the headlamp assembly to get to the bulb(s). Removing/in ...

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