柴油机工作出现燃烧噪声增强,排气有黑烟,工作不稳定等异常现象,又没有明显迹象可以判定为其他部位有故障时,可首先对喷油器与喷油泵进行机上检查。常用的仪器与工具有限压计、三通管和三通表,适于田间地头和路边道旁等现场随时随地使用。 Diesel engine combustion noise increased, smoke exhaust, unstable work and other anomalies, and no obvious signs can be judged as other parts of the fault, you can first on the injector and fuel pump on-board inspection. Commonly used instruments and tools finite pressure gauge, tee and tee table, suitable for field and roadside roadside scene anytime, anywhere.