Word forms: (regular plural) injection pumps
(Automotive engineering: Vehicle components, Engine, transmission, and exhaust) An injection pump is a device that supplies fuel under pressure to the injector of a fuel injection system.
⇒ The engine was rebuilt but the fuel injection pump did not work well. ⇒ The basic diesel injection system consists of injection pump, injection lines, injectors, and glow plugs. ⇒ The injection pump is what controls the amount of fuel fed to each injector.
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