If a diesel generator has difficulty starting, what could be the reasons for this? The manufacturer of diesel generators will help you understand in detail.
1. If the oil pipe interface is loose or worn and cracked, air will enter the system, resulting in air or moisture in the fuel system. When the moisture reaches a certain level, it will affect the normal startup of the equipment.
2. Many users may not pay attention to whether there is sufficient diesel in the fuel tank when using a diesel generator. If the diesel is used up and not added in time, or if the ventilation hole of the fuel tank cover is blocked by dirt, then the internal part of the fuel tank cannot communicate with the external atmosphere. When the oil level drops, the fuel tank will generate negative pressure, which will affect the diesel supply and cause a fuel supply interruption, thus affecting the equipment startup.
3. The injection time of the injector has an impact on the equipment startup. For example, if the injection time of the injector is too early, the internal air pressure does not reach the required value, the temperature in the cylinder will be relatively low, and the combustion performance of the diesel engine will be poor, with incomplete combustion. If the injection time of the injector is late, the timing of injecting into the cylinder is missed, causing the equipment to run for a long time with a large amount of diesel that has not been fully burned before being expelled. Therefore, either too early or too late injection time will affect the equipment operation and normal startup.
4. The temperature has an impact on the equipment startup. Especially in winter, when the temperature is low, the viscosity of the internal diesel is too high, the lubrication is poor, and the engine oil level is full. The power of the generator is insufficient, and the rotational speed slows down. The temperature of the combustion chamber does not reach the temperature requirement for diesel combustion, the injection quality is poor, thus affecting the startup, and making it difficult to start.
For more questions about the generator set, please call the Beidou Power team. More than ten years of professional production and sales of power generation equipment experience, more professional engineer team to serve you, choose Beidou power is to choose rest assured, welcome on-site factory inspection.
Post time: Aug-10-2026