This Suction Control Valve (SCV) is located on the high-pressure common rail diesel fuel pump of your engine. It is an electronically controlled solenoid valve responsible for precisely regulating the amount of fuel that enters the pump. By controlling the fuel volume, the SCV directly manages the fuel pressure within the common rail system, which is critical for efficient combustion, power, and smooth engine operation.
A replacement is often required when the original valve becomes worn or clogged with microscopic debris from contaminated fuel. This failure prevents the valve from accurately metering fuel, leading to a range of noticeable engine performance issues. Common symptoms of a failing SCV include a surging or erratic idle, stalling when coming to a stop, poor acceleration, and a general loss of power.
If left unresolved, a faulty Suction Control Valve can cause severe drivability problems, including unexpected stalling in traffic, which poses a serious safety hazard. It can also lead to hard starting, poor fuel economy, and place additional strain on other major fuel system components, potentially resulting in more complex and expensive repairs.
This part has been designed to fit:
Please check vehicle fitment to confirm compatibility with your vehicle. Please contact us with your VIN details if you require further assistance to confirm fitment.