One： circuit reason The failure to start the car due to a circuit failure is mainly manifested in the fact that there is no response when turning on the ignition switch or the starting motor speed is too low, and it can feel weak. If these two phenomena occur, it can be roughly judged as…
Fault code: SFC 161 Fault description: XDRP_A (5V) voltage is high The 5V external supply voltage is the power source for many sensors and components in the system. Whether this voltage is stable or not seriously affects the accuracy of the sensor, so it is often monitored by the ECU. The ECU can determine whether…
In reality, there are many reasons for starting difficulty in maintenance. For example, if the injector is defective or the metering unit is faulty, it may cause the vehicle to start difficult or even unable to start, but sometimes the problem may surprise you. Although the case shared by the small rail today is not…
A fault that may not be repaired normally No trouble code There is no problem with the line No problem with parts Can you guess the point of failure? Failure case Model: Liuqi Engine: Cummins Emission standard: National IV Computer board: CM2150 Trouble phenomenon: cruise failure Troubleshooting steps Step 1: Read the fault…
Ecofit urea pumps are matched in many vehicles, such as Dongfeng and Auman. When repairing a car, the chance of encountering this urea pump is still very large, so in this article, Xiaogui will summarize the common faults of this urea pump for the masters. This pump is an air-driven urea pump, so the fault…
Diesel is mixed with air in the engine, and the burned exhaust gas is discharged from the exhaust pipe. If the vehicle malfunctions and fuel combustion deteriorates, it will emit black smoke. In fact, this black smoke is soot particles that are not completely burned. The fault points that cause the vehicle to emit black…