Hyundai Palisade: Engine Control System / Fuel Pressure Control Valve (FPCV)

Hyundai Palisade (LX2) 2020-2025 Service Manual / Engine Control/Fuel System / Engine Control System / Fuel Pressure Control Valve (FPCV)

Description and operation

Description

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.

Hyundai Palisade. Description and operation

Specifications

Specification

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

Troubleshooting

Signal Waveform

Hyundai Palisade. Troubleshooting

Idle rail pressure regulator waveform

Schematic diagrams

Circuit Diagram

Hyundai Palisade. Schematic diagrams

Harness Connector

Hyundai Palisade. Schematic diagrams

Repair procedures

Inspection

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.

Check that the resistance is within the specification.

Specification : 0.39 - 0.43Ω [20°C (68°F)]

Removal

•	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")

Installation

•	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")

Variable Intake Solenoid (VIS) Valve

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...

Fuel Delivery System

Other information:

Hyundai Palisade (LX2) 2020-2025 Service Manual: TPMS Sensor

Description and operation Description 1. General description WU is a sensor placed in the tire that reports pressure and temperature. The WU is mounted inside the wheels, fixed to the valve. The angle between the valve and the housing of the WU is variable...

Hyundai Palisade (LX2) 2020-2025 Owner's Manual: Tires and wheels

WARNING Tire failure may cause loss of vehicle control resulting in an accident. To reduce risk of SERIOUS INJURY or DEATH, take the following precautions: Inspect your tires monthly for proper inflation as well as wear and damage. The recommended cold tire pressure for your vehicle can be found in this manual and on the tire label located on the driver's side center pillar...