SOLAS Heavy Vehicle Mechanic Practice Questions - SOLAS Heavy Vehicles Mechanics Apprenticeship (Ireland) Exam

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In a modern common-rail diesel injection system, what controls the exact timing and quantity of fuel delivered to each injector?

A mechanical inline pump driven by the camshaft The engine ECU energising electronically controlled injectors Engine vacuum acting on a diaphragm The driver's accelerator cable directly opening the injectors

Correct Answer:

The engine ECU energising electronically controlled injectors

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