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What Causes No Response When Pressing the Accelerator in a Diesel Electronic Injection System?

1 Answers

SanSebastian

07/30/25 9:14am

Introduction to the reasons why an electronically injected diesel engine cannot accelerate (fails to increase RPM): 1. Clogged fuel line, insufficient fuel supply. 2. Fuel injector pressure relief, rail pressure too low. 3. Common rail pressure relief valve, rail pressure too low. In such cases, it is best to visit a 4S shop for detailed inspection and repair. Additional information: 1. Fuel injection pump: The fuel injection pump is a crucial component of a diesel engine in vehicles. The fuel injection pump assembly is typically composed of the fuel injection pump, governor, and other components installed together as a whole. Among these, the governor ensures low-speed operation of the diesel engine and limits the maximum RPM, maintaining a certain relationship between injection volume and RPM. The fuel injection pump is the most important component of a diesel engine, often regarded as the 'heart' of the internal combustion diesel engine. Any malfunction in it can cause the entire diesel engine to operate abnormally. 2. Governor: A governor is an automatic regulation device that adjusts the fuel supply of the injection pump based on changes in the diesel engine's load, ensuring the diesel engine runs at a stable RPM. Governors have been widely applied in various fields, including industrial DC motor speed control, industrial conveyor belt speed adjustment, lighting regulation, computer power supply cooling, DC fans, and more.

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