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.
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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:
Jump-starting (Kia NIRO Hybrid)
Condition(s)
When the vehicle will not start due to
low battery power, you may need to
jump start the vehicle.
Operation
Turn off all unnecessary electrical
loads.
Make sure the booster battery is 12-
volt and that its negati
Mass Air Flow Sensor (MAFS)
Description
MAFS uses a sensing element made of a hot-film to measure the mass of intake
air entering the engine
and to send the signal to the ECM.
A large amount of intake air represents acceleration or high load conditions
while a small am
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