Kia Cadenza YG: Fuel Delivery System / Fuel Pressure Sensor (FPS) Description and Operation

Kia Cadenza YG 2016-2021 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.

    Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Lift the vehicle. 3. Remove the fuel pump control module mounting bolts (A).

    Specification Pressure [KPa (kgf/cm², psi)]Output Voltage (V)50 (0.51, 7.3)0.3600 (6.12, 87.0)2.51100 (11.2, 159.5)4.51200 (12.2, 174.0)5

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    Kia Cadenza YG 2016-2021 Service Manual: Description and Operation

    Description The immobilizer system will disable the vehicle unless the proper ignition key is used, in addition to the currently available anti-theft systems such as car alarms, the immobilizer system aims to drastically reduce the rate of auto theft.

    Kia Cadenza YG 2016-2021 Service Manual: Compressor Repair procedures

    Removal 1. If the compressor is marginally operable, run the engine at idle speed, and let the air conditioning work for a few minutes, then shut the engine off. 2. Disconnect the negative cable from the battery. 3. Recover the refrigerant with a recovery/charging station.

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