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Tuguan engine fault light (a must-see for Tuguan owners! What should I do Arena Plus loginif the engine fault light turns on?) Tuguan is an SUV model favored by consumers, but with the extension of the use time of the car, Tuguan and other models will also have some minor faults, the most common of which is the engine fault light. If you are a Tuguan owner, you may feel very annoyed when you see the engine fault light on, so what should you do? First of all, let's understand the principle of Tuguan engine fault light. When the vehicle fails, some parts of the engine do not work properly or run. At this time, the self-inspection instrument on the car will monitor the fault signal and record it on the car's computer board.Once a fault is found, the engine fault light will automatically light up to remind the driver, indicating the approximate location of the fault area and how it behaves. Why does the engine fail? There may be many reasons, such as poor oil line, excessive water temperature, car computer board failure, etc., which may cause the engine fault light to turn on. At this time, the car owner should find out the cause of the problem in time and judge whether he can solve the problem by himself. What should we do if the engine fault light turns on? First of all, don't panic, because this is just a warning signal. A certain failure does not necessarily mean that the vehicle will stop working. Secondly, we can first judge the cause of the failure by checking some simple parts. Step 1: Save the fault code in the electronic control unit (ECU). After checking the fault light,We should first remove the plug on the electronic control unit, then clean the metal contact on the connector and apply it with copper oxide to reduce the impact of the oxide layer. This can help us keep the fault code in the electronic control unit. Step 2: Check the self-healing function. If the fault light only turns on at the beginning and turns off after startup, the computer system is usually self-healing. If the fault has been self-healed, we can clear the fault code in the electronic control unit and restart the vehicle. Step 3: Check the fault code. We can use professional fault diagnosis tools to read the fault code saved in the electronic control unit and analyze it. These fault codes can guide us to find out the location of the problem and the parts that need to be replaced. Step 4: Troubleshoot one by one. After understanding the fault code, we need to troubleshoot step by step.At this time, we can refer to the steps in the car maintenance manual or seek the help of professional technicians. If we can solve the problem by ourselves, then we can repair it directly; if the situation is serious, we need to replace the parts or seek a professional repairman to solve the problem. In general, the oning of the engine fault light does not necessarily mean that the vehicle needs to be dealt with urgently. We should calmly analyze the cause of the failure and take the most effective measures to solve the problem. Of course, the best solution is to prevent breakdowns in advance, which is achieved by regularly checking the car and replacing parts regularly. If the vehicle is well maintained at ordinary times, the driver can better control the engine failure and find the root cause of the problem faster when the car fails.

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