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: If the Engine Will Not StartIf the Engine Will Not Start
If the Engine Doesn’t Turn Over or Turns Over Slowly Be sure the shift lever is in N (Neutral) or P (Park). The engine starts only when the shift lever is in N (Neutral) or P (Park). Check the battery connections to be sure they are clean and tight. Turn on the interior light. If the light d ...

Hyundai Sonata LF 2014-2019 Service Manual: Specifications
Specifications Transmission typeD7UF1Egnine typeGasoline 1.6 T-GDITransmission fluidQuantity1.9 ~ 2.0 LSpecified lubricantAPI Service GL-4, SAE 70W• Recommended oil - SHELL: SPIRAX S6 GHME 70W DCTF - SK: HK DCTF 70W - GS CALTEX: GS DCTF HD 70W Gear ratio1st3.9292nd2.3183rd2.0434 ...