0 928 400 669 Control Valve Fuel Quantity (common Rail System)
No:0 928 400 669
Name:FUEL INLET METERING VALVE
It usually installed at the end of the fuel rail and it connects to the injectors of the car.
It also has other names, like Measuring Unit, Fuel Control Valve, MPROP etc.
When it has misfires, a reduction in power and acceleration, and a drop in fuel efficiency, you shall inspect if the fuel pressure valve goes bad. And of course, these symptoms can also be caused by a wide variety of other issues so having the vehicle properly diagnosed and having the high quality replacment is highly recommended.