Hyundai Sonata LF: 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...

Fuel Pressure Sensor (FPS) Specifications

S..

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Overhead Console Lamp Repair procedures

Inspection 1. Remove the overhead console lamp assembly then check for continuity between terminals. If the continuity is not as specified, replace the map lamp switch. Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the mounting screws (2EA)...

Hyundai Sonata LF 2014-2019 Service Manual: Roof Trim