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 Owners Manual: Manual adjustment
Forward and rearward adjustment To move the seat forward or rearward: 1. Pull up the seat slide adjustment lever and hold it. 2. Slide the seat to the position you desire. 3. Release the lever and make sure the seat is locked in place. Move forward and rearward without using the lever. If the seat ...

Hyundai Sonata LF 2014-2019 Service Manual: Radiator Repair procedures
Removal and Installation 1. Remove the cooling fan. (Refer to Cooling System - "Cooling Fan") 2. Loosen the drain plug, and drain the coolant. 3. Remove the radiator cap to speed draining. 4. Remove the radiator upper hose (A) and lowr hose (B). 5. Remove the radiator upper b ...