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Engine light is Arena Plus loginon (Car fault tip: Engine fault light is on) The car light prompt system is a very important part of modern cars, including engine lights. When this light is on, it indicates that the engine may be faulty and needs to be repaired immediately. If this light is ignored, it may lead to more serious problems, which are detrimental to driving safety and vehicle life. This article will introduce the reasons and countermeasures for the bright engine light. 1. There may be many reasons why the engine light is on. The most common reason is related to emissions, including the following situations: (1) Bad oxygen sensor: Oxygen sensor is a component responsible for monitoring engine emissions. If this component fails, it will cause the engine to fail, thus triggering a light prompt.(2) Electronic control unit (ECU): ECU is the core of the automotive electronic control system. It includes more than 10 electronic components and controls all automotive power systems through pulse emission technology. If the ECU fails, it will cause engine failure, resulting in light prompts. ( 3) Ignition coil problem: The ignition coil generates an electric spark on the engine, thus starting the car engine. If there is a problem with the ignition coil, the electric spark will not occur normally, thus triggering a light prompt. ( 4) Bad oil pressure sensor: The oil pressure sensor is used to monitor whether the engine oil pressure is normal. If the oil pressure sensor fails, the light may also prompt. ( 5) Refueling cover problem: The tightness of the refueling cover is closely related to the exhaust emissions of the car. If the refueling cover is not started, it will cause the exhaust of the car to leak easily, triggering light prompts.Two. Countermeasures (1) Don't ignore the engine light: The engine light is not a decoration. When it lights up, you must pay attention to it. It indicates that your vehicle may have problems, and if it is not handled in time, it may lead to more serious problems. ( 2) Parking check: When the light prompts, stop and check the car as soon as possible to confirm what the problem is. If you don't know how to check, it is recommended to seek the help of professionals. ( 3) Check the oil under the engine cover: The engine light is an indicator that usually involves a system or part in the engine part. After checking the light prompt, it is recommended to check whether the oil under the engine cover is normal. If you find any abnormalities, please contact the professional service provider immediately. ( 4) Check whether the accelerator pedal is normal: When the light prompts, you should also check whether the accelerator pedal is normal.If the accelerator pedal fails, it may cause problems with the engine and need to be repaired. ( 5) Ask for help: When you can't identify or deal with a problem, it is recommended to seek professional help, which can help avoid more serious problems. The reason why the engine light is on may be related to the conditions mentioned above, but it may also be other different situations. It is recommended to seek professional help as soon as possible in case of a problem to reduce the negative impact.

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