Kia Sportage: Engine Control System / Rail Pressure Sensor (RPS) Troubleshooting

Service data review releated with fuel pressure sensor at idle and acceleration.
(Inspect low pressure fuel line between fuel pump and high pressure pump first
when the pressure of low pressure line is displayed low at idle.)
A : Idle
B : Acceleration
Inspection
1.
Connect the KDS/GDS on the Data Link Connector (DLC).
2.
Measure the output voltage and fuel pressure of the RPS at idle a ...
Specification
Accelerator
Position
Output Voltage (V) [Vref = 5V]
APS1
APS2
C.T
0.7 - 0.8
...
Other information:
Components
1. Panorama sunroof mechanism
2. Panorama sunroof frame complete
3. Panorama sunroof center cover
4. Panorama sunroof glass motor
5. Panorama sunroof roller blind motor
6. Roof rack side molding
7. Panorama sunroof slide
8. P ...
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the tailgate trim.
(Refer to Body - "Tailgate Trim")
3.
Disconnect the power tailgate latch connector (A) and PCU assem ...