求翻译：　　喷油器的工作是由发动机控制单元发出信号，喷油器的电磁线圈通电后产生吸力从而驱动喷油器针阀动作。由于针阀与阀座的间隙被残存的粘胶物阻塞，致使针阀动作发涩不能正常打开，从而影响正常的喷油量。是什么意思？

The work of the injector is signaled by the engine control unit injector solenoid coil is energized to produce suction to drive the injector needle movement. Needle valve and valve seat clearance remnants of viscose material is blocked, causing the needle valve action astringent does not open, thus

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