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Audi engine fault light (Audi owners pay attention! The HS code lookup for Asia-Pacific marketsengine fault light is on and needs to be overhauled in time!) Audi is one of the world's famous car brands. In the eyes of car fans, Audi is the representative of ultimate performance and quality. However, in daily use, cars will still face various problems, the most common of which is engine failure.Audi owners should not take the engine fault indicator light on in the cab when driving. They should overhaul the engine in time to ensure the safety of the vehicle. So, why does the engine fault indicator light turn on? The engine control unit is the "brain" of the vehicle engine, which is responsible for controlling the working status and interaction of various sensors, solenoid valves, fuel injectors and other engine components. When the engine fails, the control unit will sense the abnormal signal, and the engine fault indicator light in the cab will be turned on. The lighting of the engine fault indicator light does not mean that the entire engine must be overhauled, but its existence indicates that the owner's vehicle has some faults and needs to be dealt with in time. For Audi owners, the lighting of the engine fault indicator light may involve the following situations: 1.Insufficient oil pressure. Insufficient oil pressure is a common reason why the engine fault indicator light lights up, which indicates that the oil pressure sensor has sensed that the oil pressure is unstable or decreased. For the engine, oil is like the blood of the human body. If it is lacking or insufficient, it will cause various performance failures. If you ignore the indicator light at this time and continue to drive the vehicle, it will inevitably cause long-term damage to the engine. Two. The engine temperature is too high. When the engine temperature is too high, the engine fault indicator light will also light up. Because high temperatures affect the viscosity and lubricity of the oil, excessive temperatures will damage the engine shock absorbers, piston rings and other key parts. If this situation is found, you must immediately find a parking safety area or go to the manufacturer for maintenance. 3. Oxygen sensor Oxygen sensor is also one of the culprits of the fault indicator light.It is responsible for monitoring the oxygen content in the exhaust and thus controlling the mixed air volume of the vehicle. If your engine fault light is on and there is jitter or rhythm in the cooling performance, it may be due to a failure of the oxygen sensor. Four. If the throttle detects that the vehicle accelerates abnormally or idles unsteadily, it may be due to a throttle failure. Its failure will cause the misalignment of the mixed gas volume, causing the engine fault indicator light to light up. Audi owners need to find a professional technician for inspection and repair immediately after the engine fault indicator light is on. After all, the engine is the core component of the vehicle, and its failure will have a significant impact on driving safety. If the owner ignores the fault and does not repair the damaged parts, it will lead to more serious failures and damage, thus damaging the performance and life of the vehicle.In general, when the engine fault indicator light of Audi vehicles is on, the owner should not panic, but also not take it lightly. Because many faults not only affect the driving performance of the car, but also lead to car accidents, we should pay attention to the safety and reliability of the vehicle, and pay more attention to the overhaul and maintenance of the vehicle in daily use.

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