Engine Control System/Fuel System

Kraftstoffdruckregelventil (FPCV)

10steps
~60min
3/5difficulty
Done 0 of 10

Specifications

SPECIFICATIONS

Position SPECIFICATIONS
Coil Resistance (Ω) 0.54 [20°C]
Handle 2
Peak current (A) 5.3
Holding Current (A) 2,68
High-pressure fuel pressure bar 20~200
MPa 2~20
kgf/cm² 20,4~203,9
psi 290,1~2900,8

Description and Operation

Description

The fuel pressure control valve is installed on the high-pressure fuel pump and controls the fuel supply to the fuel injectors based on a signal calculated by the ECM from various engine conditions.

Schematic diagrams

Circuit diagram

repair procedures

TEST

  1. Turn the ignition switch OFF and disconnect the negative (-) battery terminal.

  2. Disconnect the fuel pressure control valve connector.

  3. Measure the voltage between terminals 1 and 2 of the fuel pressure control valve.

  4. Make sure the resistance is within specification.

    Specification: 0.54 Ω (20 °C)

expansion

  1. Release the residual pressure in the fuel line.

    (Refer to Fuel Delivery - "Relieve Residual Pressure in the Fuel Line").

  2. Turn the ignition switch OFF and disconnect the negative (-) battery terminal.

  3. Remove the battery.

    (Refer to Group EE — Battery)

  4. Remove the air filter housing and the intake hose.

    (Refer to Engine Mechanical - "Air Cleaner").

  5. Disconnect the engine wiring.

    1. Disconnect the OCV connector (A) and the EWGA extension connector (B).

    2. Loosen the engine wiring harness mounting screws, then remove the engine wiring harness (A).

  6. Remove the quick-release clip (A) from the fuel tank filler hose.

Troubleshooting

Signal

Test yourself

A quick Kia Stonic quiz: every answer comes with an explanation and a link to the manual page.