Hyundai Sonata: Fuel Delivery System / Fuel Pressure Sensor (FPS) Description and Operation

Hyundai Sonata LF 2014-2019 Service Manual / Engine Control / Fuel System / Fuel Delivery System / Fuel Pressure Sensor (FPS) Description and Operation

Description
The fuel pressure sensor (FPS) is installed on the top of the low pressure fuel pump and measures the pressure in the low pressure fuel line.
Based on the fuel pressure measured by the FPS and the amount of fuel consumed, the fuel pump control module (FPCM) determines whether to activate the low pressure fuel pump.
After activating the low pressure fuel pump, the FPS continues to provide the fuel pressure information to the FPCM and the FPCM keeps controlling the fuel flow rate using the feedback information from the FPS.

Fuel Pump Control Module (FPCM) Repair procedures
Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. emove the rear seat cushion. ( Refer to Body - "Rear Seat Assembly") 3. Remove the fuel pump ser ...

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 ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Front Door Module Components and Components Location
Component Location 1. Front door module ...

Hyundai Sonata LF 2014-2019 Service Manual: Engine Coolant Temperature Sensor (ECTS) Repair procedures
Inspection 1. Turn the ignition switch OFF. 2. Remove the ECTS (Refer to "Removal"). 3. After immersing the thermistor of the sensor into engine coolant, measure resistance between the ECTS terminals 3 and 4. 4. Check that the resistance is within the specification. Specification: ...

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