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Control module EMS 2

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The control module checks and controls the unit injec- tors so that the correct amount of fuel is injected into each cylinder. It calculates and sets the injection an- gle. The control is primarily performed using the speed sensors and the combined sensor for boost pressure/ charge air temperature.

The EMS 2 system processor is located in the control unit, where it is protected from moisture and vibration.

The processor receives information continuously about:

engine speed

camshaft position

charge air pressure

charge air temperature

coolant temperature

oil pressure

oil temperature

oil level

crankcase pressure

piston cooling pressure

water in fuel

fuel pressure

coolant level

air filter pressure

air filter temperature

Information from the sensors provides exact informa- tion about current operation conditions and allows the processor to calculate the correct fuel volume, check engine status etc.


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