Hyundai Sonata LF: Engine Control System / Rail Pressure Sensor (RPS) Description and Operation

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

Description
Rail Pressure Sensor (RPS) is installed on the delivery pipe and measures the instantaneous fuel pressure in the delivery pipe. The sensing element (Semiconductor element) built in the sensor converts the pressure to voltage signal. By using this signal, the ECM can control correct injection amount and timing and adjusts the fuel pressure with the fuel pressure regulator valve if the target pressure and the actual pressure calculated by the RPS output signal are different.

    Heated Oxygen Sensor (HO2S) Repair procedures

    Inspection 1. Turn the ignition switch OFF. 2. Disconnect the HO2S connector. 3. Measure resistance between the HO2S terminals 2 and 5 [B1/S1]...

    Rail Pressure Sensor (RPS) Specifications

    S..

    Other information:

    Hyundai Sonata LF 2014-2019 Service Manual: Windshield Deicer


    Components and Components Location Component Location Windshield deicer system prevent windshield wiper from freezing in the winter season. It consists of deicer in the lower part of windshield, switch and relay. Body control module receives an input signal from the front defroster switch, then controls relay...

    Hyundai Sonata LF 2014-2019 Service Manual: Trunk Trim. Repair procedures


    Repair procedures Replacement     • Put on gloves to protect your hands.     • When prying with a flat-tip screwdriver or use a prying trim tool, wrap it with protective tape, and apply protective tape around the related parts, to prevent damage...

    Categories

    read more

     
    Copyright © 2026 www.hsonatalf.org