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

Kia Cadenza YG 2016-2025 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. Lift the vehicle. 3. Remove the fuel pump control module mounting bolts (A). 4. Disconnect the ...

Fuel Pressure Sensor (FPS) Specifications

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 ...

Other information:

Kia Cadenza YG 2016-2025 Service Manual: Engine Coolant Temperature Sensor (ECTS) Description and Operation

Description Engine Coolant Temperature Sensor (ECTS) is located in the engine coolant passage of the cylinder head for detecting the engine coolant temperature. The ECTS uses a thermistor whose resistance changes with the temperature. The electrical resistance of the ECTS decreases as the ...

Kia Cadenza YG 2016-2025 Service Manual: Description and Operation

OBD-II review 1. Overview The California Air Resources Board (CARB) began regulation of On Board Diagnostics (OBD) for vehicles sold in California beginning with the 1988 model year. The first phase, OBD-I, required monitoring of the fuel metering system, Exhaust Gas Recirculation (EGR) sy ...