The Suction Control Valve (SCV) is responsible for controlling fuel pressure in common rail engines which move via a solenoid with each variation of the throttle. Suction Control Valves can be quickly affected by the dirt and or contaminated fuel. When the suction control valve is contaminated it will cause the pump to deliver an inconsistent fuel pressure to what is being demanded by the ECU.

Symptoms: Will not start, Hesitates under acceleration, Stalls, Erratic engine performance

Also Known As: SCV, Suction control Valve, IMV, Inlet Metering Valve, Fuel Pump Pressure Regulator Regulating Valve, SCV Suction control Valve,

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