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Engine emission warning light (warning!Engine emission failure!) When you drive your car on UEFA live freethe road and suddenly see the engine emission warning light on the dashboard, you will be nervous, afraid, and even helpless. This is not only because there is a problem with the car, but also because your safety and the health of the surrounding environment may be threatened. So, what exactly is the engine emission warning light and why does it light up? Next, we will explore this problem in depth and provide solutions to help you get rid of security risks. I. What is the engine emission warning light? Engine Light is a red triangular icon displayed on the dashboard, which lights up when the vehicle's electronic control unit (ECU) detects the failure of the engine emission system. The indicator light can be used in all brands and types of vehicles.The number shows that its function is to prompt that the engine emission system of the vehicle driver may be faulty or fail to meet the emission requirements of the environmental department. II. Why is the engine emission warning light on? 1. The ratio of fuel and air is incorrect: the engine is driven by a mixture of fuel and air. If the engine does not have enough fuel or air, or the ratio of the two is deviated, the engine emission problem will occur. Two. Sensor or valve failure: There are multiple sensors and valves in the vehicle discharge system, which are used to monitor the mixture of air and fuel, heat the exhaust system, etc. If there is a problem with any sensor or valve in the engine emission system, the engine emission warning light will light up. 3. Severe cold or rainy and snowy weather: At low temperatures, the engine may have emission problems, because some engine components need to run under high temperature conditions to work properly.In addition, rainy and snowy weather may affect the sensors in the emission system. Four. Carbon construction aggregation: The components in the emission system can produce carbon scale during operation. Too much carbon scale may block the exhaust pipe or exhaust valve, causing engine emission failure. III. The impact of engine emission failure When the engine emission light is on, it needs to be dealt with in time. If the fault is not handled, it may cause the following problems: 1. Decline in fuel economy: If there is an engine emission problem, fuel efficiency usually decreases, which means you need to spend more money to refuel. Two. Increased maintenance costs: Failure to solve emission failures in time may lead to more serious problems with the vehicle. This will cause you to need to carry out more repairs and pay higher maintenance costs. 3. Increased environmental pollution: Engine emission problems will lead to an increase in the amount of pollutants emitted by vehicles.These pollutants will not only affect your vehicle, but also the health of the surrounding environment. IV. What should be done after the emission warning light is on? 1. To ensure your own safety, stop the car as soon as possible and call the emergency number for help. Two. Buy a diagnostic scanner or find a professional to diagnose engine emission problems. The diagnostic instrument can help you determine the fault code in order to determine the type of fault in the discharge system. 3. Take appropriate measures according to the diagnosis results. If the problem is the sensor or valve, it is better to go to the repair shop for replacement. If it is a carbon scale problem, you can clean the exhaust pipe or fuel nozzle. In a word, the lighting of the engine emission warning light means that your vehicle has safety hazards and environmental pollution hazards. Timely repair of engine emission problems can ensure your safety and the health of the surrounding environment.

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