Hyundai Tucson: Fuel Pressure Control Valve (FPCV)
Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Engine Control - Fuel System / Fuel Pressure Control Valve (FPCV)
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.

Specification

Circuit Diagram

Harness Connector

Inspection
- Switch "OFF" the ignition and disconnect the negative (-) batteiy 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 : 0.53 - 0.58 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")
READ NEXT:
Electric WGT Control Actuator- Desrcription
Desrcription
The Electric Waste Gate Actuator(EWGA) is installed on the turbocharger. EWGA
operates vain in
west gate turbocharger and controls the compressed air by PWM signal of ECM.
Specification
EWGA Position Sensor integrated into EWGA
Electric WGT Control Actuator- Installation
WARNING
When replacing the Electric WGT Control Actuator, perform the
rod adjustment procedure.
When install the electric WGT control actuator, do not reuse a
C-Ring.
Install in the reverse order of removal.
Adjustment
Rod Adjus
SEE MORE:
Trailer towing
If you are considering towing with your
vehicle, be sure to take extra precautions
while driving. Only experienced drivers
should consider towing. Plan your trip
accordingly as vehicle speed limits for
vehicles towing trailers may be different.
Measuring the resistance of the pressure sensor
Turn ignition switch OFF.
Disconnect the pressure sensor connector.
Measure resistance between sensor terminal and terminal.
Check the measured resistance. (Refer to table)
Table 1
Removal
Remove the coupling assembly.
(Refer to
Information
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- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual