Fuel Pump

WARNING: This page is about a different car, the 2024 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.

Check the power supply voltage provided to the Fuel Pressure Sensor (FPS).

Specification: 5 V

Courtesy of KIA MOTORS AMERICA, INC.

Pin	Function
1	Fuel sender (-)
2	Fuel pressure sensor signal
3	Fuel pressure sensor ground
4	Ground
5	CAN_LOW
6	Fuel sender (+)
7	-
8	Fuel pressure sensor (+)
9	CAN_HIGH
10	Battery (+)

Check the voltage provided to the FPS at idle.
Specification: 1.9 V - 3.2 V

Courtesy of KIA MOTORS AMERICA, INC.
Check the fuel pressure in the low fuel line.
(Refer to Fuel Delivery System - "FUEL PRESSURE TEST ")