Injection pump
The injection pump controls the amount, timing, delivery rate,
and distribution of fuel. It applies very high pressure to the
fuel before pumping it into the injection nozzles of each engine
cylinder. There are two types of injection pumps: inline types
and distributor types.
The injection pump is driven by a camshaft that is rotated by
the engine crankshaft via gears, etc. During this process, the
cam moves the plunger up and down in the cylinder to pump fuel.
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