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

Hyundai Elantra (CN7) 2021-2025 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.

Specifications

Specification

Item	Specification
Coil Resistance (Ω)	0.53 - 0.58 [20°C (68°F)]

Schematic diagrams

Circuit Diagram

Harness Connector

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 : 1.09 - 1.21Ω [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")

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