0928400588 0928400670 0928400642 Common Rail SCV Suction Control Valve Application For Toyota Renault

The Suction Control Valve (SCV) is an electro-hydraulic actuator that plays a vital role in modern common rail diesel fuel systems. Its primary function is to precisely regulate the amount of fuel entering the high-pressure pump by controlling the inlet metering valve. The SCV operates based on commands from the Engine Control Unit (ECU), which sends Pulse Width Modulation (PWM) signals to adjust the valve's opening degree.

The working process can be broken down into three key stages:

Signal Reception: The ECU calculates the required fuel quantity based on various sensor inputs (engine speed, load, temperature, etc.) and sends corresponding PWM signals to the SCV.

Position Adjustment: The solenoid coil inside the SCV converts these electrical signals into mechanical movement, precisely controlling the plunger position to regulate fuel flow.

Pressure Regulation: By adjusting the fuel volume entering the high-pressure pump, the SCV indirectly controls the rail pressure, ensuring optimal injection performance under all operating conditions.

The valve's response time is critical, with modern SCVs capable of adjusting fuel flow within milliseconds to maintain stable rail pressure. This rapid response enables precise fuel metering, which is essential for meeting modern emission standards while maintaining engine performance and fuel efficiency.

Detailed Specifications of Three SCV Models

 

 

• Function:

  Electromagnetically controlled, adjusts fuel flow to stabilize pressure in high-pressure common rail systems.

  Reduces fuel pulsation, improving combustion efficiency.

  Compatible Pumps:

  Designed for Bosch CP3 high-pressure pumps, commonly used in European diesel engines.

  Vehicle Applications:

  Fits Volkswagen (VW) and Audi models with 2.0L TDI engines (2010-2018).

  Also compatible with Mercedes-Benz OM651 diesel engines (2012-2019)47.

 

 

Linear solenoid control for precise fuel metering, optimizing low-end torque and high-speed power output.

High-pressure resistant, suitable for heavy-duty applications.

Compatible Pumps:

Matches Denso HP4 high-pressure pumps, widely used in Japanese and some American diesel vehicles.

Vehicle Applications:

Used in Toyota Hilux (2015-2023) with 2.8L 1GD-FTV engines.

Also found in Isuzu D-Max (2017-2024) with 3.0L 4JJ1-TC engines16.

 

 

Normally Closed (NC) design prevents fuel backflow, improving cold-start reliability.

Built for commercial and industrial diesel engines.

Compatible Pumps:

Compatible with Delphi DFI1.4 high-pressure pumps for commercial diesel applications.

Vehicle Applications:

Fits Ford Transit (2014-2022) with 2.2L Duratorq TDCi engines.

Also used in Renault Master (2016-2023) with 2.3L dCi engines25.

 

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