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Fuel ManageMent SySteM
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High Pressure Common Rail Fuel System
• The high pressure common rail fuel injection
system with piezo electric fuel injectors uses
pressurized fuel and electronics to actuate and
control fuel injection into the cylinders.
High Pressure Common Rail Direct Injection
Fuel System Components
• The fuel management system is comprised
of several sub systems.
• Each system works together to deliver excellent
power and efficiency while meeting the
requirements of emissions regulations.
High Pressure Common Rail
Fuel System Advantages
• Emissions and noise have been reduced
through improvements in rate, timing
control, and multiple injections.
• The high pressure system’s pressure relief function is
now controlled by the PCV (Pressure Control Valve), which
is mounted to the high pressure fuel injection pump.
• The piezo fuel injectors help reduce noise
while delivering optimum performance.
Fuel Management System Major Components
• Fuel Supply System
• High Pressure Fuel Injection Pump
• High Pressure Fuel Tubes
• Sensors
• Injectors
• Electrical Components
• Actuators
Fuel Management System Features
• Emissions
• Noise
• Rate Control
• Timing Control
• PCV (pressure control valve)
• VCV (volume control valve)
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