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: Operating Door Locks from Outside the Vehicle
Mechanical key If you lock the driver's door with a mechanical key, all vehicle doors will lock. If you unlock the driver's door with a mechanical key, the driver's door will unlock. Once the doors are unlocked, they may be opened by pulling the door handle. When closing the door, push the door by ...

Hyundai Sonata LF 2014-2019 Owners Manual: Cruise Control will be canceled when
Depressing the brake pedal. Pressing the CANCEL switch located on the steering wheel. Pushing the CRUISE button. Both the CRUISE indicator and the SET indicator will turn OFF. Moving the shift toggle switch into N (Neutral). Decreasing the vehicle speed lower than the memory speed by 5 mph ...

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