Hyundai Palisade (LX2): Engine Control System / Fuel Pressure Control Valve (FPCV)
Description and operation
Installed on the high pressure fuel pump, the Fuel Pressure Regulator Valve
controls the fuel amount flowing into the injectors in accordance with the ECM
signal calculated based on various engine conditions.

Specifications
Item
|
Specification
|
Coil Resistance (Ω)
|
0.39 - 0.43 [20°C (68°F)]
|
Troubleshooting

Idle rail pressure regulator waveform
Schematic diagrams

Harness Connector

Repair procedures
| 1. |
Switch "OFF" the ignition and disconnect the negative (-) battery terminal.
|
| 2. |
Disconnect the fuel pressure regulator valve connector.
|
| 3. |
Measure resistance between the fuel pressure regulator valve terminals
1 and 2.
|
| 4. |
Check that the resistance is within the specification.
|
Specification : 0.39 - 0.43Ω [20°C (68°F)]
|
|
| • |
The fuel pressure regulator valve cannot be replaced as a unit.
Replace it as high pressure fuel pump assembly.
(Refer to Fuel Delivery System - "High Pressure Fuel Pump")
|
|
| • |
The fuel pressure regulator valve cannot be replaced as a unit.
Replace it as high pressure fuel pump assembly.
(Refer to Fuel Delivery System - "High Pressure Fuel Pump")
|
|
Description and operation
Description
Installed on the intake manifold (VIS Valve 1) and the surge tank (VIS Valve
2), the Variable Intake manifold Solenoid (VIS) valves 1 and 2 control the vacuum
modulators, which activate the valves in the intake manifold and the surge tank.
Other information:
Components and components location
Component
Connector Pin Function
Connector
PIN No
Pin Function
Connector
PIN No
Pin Function
A
1
Battery
A
17
IGN2
2
Components and components location
Components
[Ultra Optical Camera - RH/LH]
[Ultra Optical Camera - Front]
[Ultra Optical Camera - Rear]
Repair procedures
Removal
•
In case of bad quality or poor