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Engine harness is European Cup liveone of the important parts of modern vehicles. Its function is to connect various parts of the engine electrical system together and transmit their signals to the central control unit of the car. Therefore, the occurrence of engine harness failure often affects the performance of the vehicle. This article will elaborate on the significance, fault analysis and preventive measures of the engine harness. 1. The significance of engine harness: Engine harness is an indispensable part of modern automobiles. It is a set of cables installed in the engine area, including various electrical equipment such as wires, air flow meters, oil pressure sensors, oxygen sensors, etc.The main function of the engine harness is to collect various sensor signals of the vehicle engine and deliver them to the central control unit, and reverse transmit the signals interpreted by the control unit to each engine component so that they can operate as required. It can ensure the coordination of all parts of the vehicle to achieve the best performance of the vehicle. Two. Causes of engine harness failure: There may be many reasons for the failure of engine harness, and it is difficult to predict and find. The most common failure is caused by long-term use and aging and wear in high-temperature environments. In addition, the failure may also be caused by factors such as loose wires or improperly matched joints. In other cases, incorrect installation or improper construction will also lead to engine harness failure. It may also be due to damage and abnormal intermittent contact caused by vehicle impact or vehicle pollutants entering the interior of the harness.If these faults are not solved in time, they will have a great impact on the normal operation of the engine and may lead to more serious failures. 3. Performance of engine harness failure: If the engine harness fails, it may have a negative impact on the performance of the vehicle. In extreme cases, it may even cause the engine to fail to start normally. The following are some common faults: (1) Slow acceleration: After the wire is damaged, the vehicle may not be able to control the speed, and slow acceleration will occur. ( 2) The engine light is always on: If some sensors in the engine harness fail, the vehicle will always prompt the fault light, indicating that there is a problem with the vehicle. ( 3) Abnormal battery charging: If the vehicle battery cannot be charged or the battery is aging, it may be because the wires in the engine harness are damaged, burned or incomplete.(4) Increased fuel consumption: In the process of using the car, although the fuel consumption is related to the speed of the car, when the engine harness is damaged, the vehicle will consume more fuel. Four. Prevention and repair: Prevention and repair are definitely a part of vehicle maintenance. In order to prevent the failure of the engine harness, here are some precautions: (1) Regular inspection: The engine harness should be checked every time the car is maintained and repaired, and ensure that any problems are repaired in time. ( 2) Touch carefully: When checking the engine harness, we should be careful not to touch other parts to avoid damage to the sensitive subsystem. ( 3) Keep clean: Regular cleaning can reduce dirt accumulation and keep the vehicle running normally for a longer time. Finally, if the engine harness fails, we recommend repair and replacement in time with the help of technicians.This can restore the normal working performance of the vehicle, improve the durability and reliability of the vehicle, and follow the normal driving style to ensure the safety and reliability of the vehicle.

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