Fuel Pump

Check the power supply voltage provided to the fuel pressure sensor (FPS).

Specification : 5V

G13834190

Courtesy of KIA MOTORS AMERICA, INC.

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

Check the voltage provided to the fuel pressure sensor (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 PRESSURE TEST ")