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BlueStars Diesel : ECU (Engine Control Unit) - Diesel Nozzle Diesel Plunger Delivery Valve Diesel Injector Pencil Nozzle Head Rotor Other Diesel Pump Parts Pump&Injector Repair Kits Unit Pump & Parts Common Rail Parts HEUI Injector& Parts Testers &Tools Connectors & Adapters ,diesel engine parts,nozzle,plunger,head rotor,pencil nozzle,common rail nozzle

An engine control unit (ECU), also commonly called an engine control module (ECM), is a type of electronic control unit that controls a series of actuators on an internal combustion engine to ensure optimal engine performance. It does this by reading values from a multitude of sensors within the engine bay, interpreting the data using multidimensional performance maps (called lookup tables), and adjusting the engine actuators. Before ECUs, air-fuel mixture, ignition timing, and idle speed were mechanically set and dynamically controlled by mechanical and pneumatic means.

If the ECU has control over the fuel lines, then it is referred to as an electronic engine management system (EEMS). The fuel injection system has the major role to control the engine's fuel supply. The whole mechanism of the EEMS is controlled by a stack of sensors and actuators.

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More Info About ECU (Engine Control Unit)

1.Control of air–fuel ratio

2.Control of idle speed

3.Control of variable valve timing

4.Electronic valve control

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