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Engine OBD is Global trade resource librariesa very useful technology. It can re-parse the information of the car engine, quickly find problems and faults, and provide one-click repair services. This article will introduce the working principle, advantages and daily maintenance suggestions of engine OBD. Engine OBD (On-Board Diagnostics) is a technology used for fault diagnosis of automobile engines. By collecting, analyzing and analyzing the data of various sensors and actuators of the vehicle, this technology can quickly locate the faults of the vehicle and provide one-click repair services.At the same time, it can also monitor and record the working status of the vehicle for daily maintenance for maintenance. The engine OBD system is composed of Engine Control Unit (ECU) and related sensors. ECU is the main control center responsible for controlling and monitoring the work of the engine. It is integrated with a microcomputer that can collect, analyze and judge sensor signals in real time, and then issue commands to control the working state of the engine. Sensors are devices used to monitor the working condition of vehicles, including air flow meters, oxygen sensors, oil pressure sensors, etc. In terms of advantages, the engine OBD has the following characteristics: 1. Effectively shorten the fault location time and shorten the maintenance cycle: the engine OBD system can read all kinds ofThe fault code effectively avoids the hassle and waste of time caused by manual inspection, and reduces the maintenance cost and the economic loss of the owner. Two. Improve the accuracy of fault diagnosis: The engine OBD system can comprehensively detect various components of the vehicle, accurately diagnose the fault type and location of the vehicle, which helps to avoid missing fault points and improve the quality of maintenance. 3. Driving safety is ensured: If there is a problem with a part of the car, the OBD system can issue a warning signal in time to remind the driver to take corresponding measures to avoid potential road hazards. Four. It is convenient for car owners to carry out daily maintenance: In addition to fault detection and diagnosis, the OBD system can also record the vehicle's working voltage, fuel consumption, speed and other parameters, so that car owners can easily grasp the vehicle status and improve daily maintenance efficiency. So, how to carry out daily maintenance?Here are a few suggestions: 1. Regular engine inspection: strictly follow the requirements of the manufacturer's maintenance manual for engine maintenance, and regularly replace oil, air filter, fuel filter, spark plug and other parts. Two. Avoid long-term idling: Long-term idling is easy to cause engine carbon accumulation, affecting heat dissipation and exhaust release. It is recommended to operate moderately regularly to maintain the normal operation of the equipment. 3. Pay attention to driving skills: During driving, you should pay attention to avoid sudden stops, sudden braking, sharp turns and other behaviors, which will accelerate engine wear, generate high load, and increase the risk of failure. Four. Timely handling of fault signals: If any fault signals are found, you should drive to the maintenance station at low speed for diagnosis and repair to avoid aggravated damage. In a word, engine OBD is a very practical technology, which can provide fast and accurate fault diagnosis and maintenance services for car owners and maintenance stations.Every car owner should carefully study and maintain the OBD system, so that his car should always maintain good working condition and operating efficiency.

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