The actuator is an electromagnetic rotary solenoid valve. The actuator is installed in the EFC cavity of the PT fuel pump. The actuator controls the engine speed and horsepower by controlling the fuel flow to the injectors.
When the power down sequence is finished the engine will stop communicating. Auto shutdown will power down the system if the ignition is switched off. Different length of time sequences are being used. (Running engine will continue to run until a stop request is sent to the system).
Cummins engine governor contains a magnetic pickup, a governor control, an actuator and the mounting parts.
The control unit is fitted with an atmospheric air pressure sensor and an altitude correction function for engines operating at high altitudes. This function limits the fuel volume in relation to ambient air pressure. This is to prevent smoke, high exhaust temperature and to protect the turbocharger from over-speeding.
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