KIA Niro: Fuel Pressure Control Valve (FPCV)
Specification

Fuel Pressure Control Valve (FPCV) Description
Description
Installed on the high pressure fuel pump, the Fuel Pressure Control Valve controls the flow of fuel into the injectors in accordance with the ECM signal calculated based on various engine conditions.

Circuit Diagram

Harness Connector

Fuel Pressure Control Valve (FPCV) Repair procedures
Inspection
- Switch "OFF" the ignition and disconnect the negative (-) battery terminal.
- Disconnect the fuel pressure regulator valve connector.
- Measure resistance between the fuel pressure regulator valve terminals 1 and 2.
- Check that the resistance is within the specification.
Specification: 0.52 +- 5 % Ω (20ºC(68ºF)
Removal
Warning
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
Warning
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".)
Signal Waveform
Fig.1) Nomal signal waveform of fuel pressure control valve at engine idle.
READ NEXT:
Electric EGR Control Valve
Specification
Motor
Position sensor
Electric EGR Control Valve Description and operation
Description
The Electric EGR Control Valve is a solenoid valve installed between the EGR
cooler and the exhaust
line that controls the EGR (Exhaust
Fuel Delivery System
Components
Location
Fuel Tank Assembly
Fuel tank
Fuel pump
Fuel filter
Fuel pressure regulator
Canister
Fuel tank air Filter
Fuel pressure sensor (FPS)
Fuel tank pressure sensor (FTPS)
Fuel level sensor (FLS)
Fuel tank iso
Fuel Pressure Test (Low pressuresystem)
Release the residual pressure in fuel line.
(Refer to the Fuel Delivery System - Inspection - "Release Residual Pressure
in Fuel Line").
Warning
When removing the fuel pump fuse, a Diagnostic Trouble Code (DTC)
may occur. De
SEE MORE:
Opening the fuel filler door
Fuel filler door
Fuel tank cap
Operation
Turn the engine off.
Ensure all the doors are unlocked.
Press the rear center edge to open the
fuel filler door (1).
Remove the fuel tank cap (2) by turning
it counterclockwise.
Pla
Engine And Transaxle Assembly
Engine Room Under Cover Repair procedures
Removal
Engine room under cover.
Remove the engine room under cover (A).
Tightening torque :
3.9 - 5.9 N*m (0.4 - 0.6 kgf*m, 2.9 - 4.3 lb*ft)
Install in the reverse order of removal.
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