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How to eliminate the engine fault light: How to solve the engine fault light The UEFA TVengine fault light is one of the most common warning lights in the vehicle, which usually indicates that there is a problem with some systems of the vehicle. Once the light is on, the driver should find the cause and solve the problem as soon as possible, otherwise it may cause the vehicle's performance to deteriorate or even fail to start. This article will provide you with some ways to eliminate engine fault lights and solve the problem of engine faults. 1. Check the harness and sensor under the hood. The first step to find the problem under the hood is to check the harness and sensor.These harnesses and sensors are easy to loosen or break because vehicles usually pass through some tough terrain or encounter cement walls or other obstacles as they drive. If this situation is detected, the problem harness or sensor should be replaced in time and the engine fault light should be removed. Two. Replacing the air filter An outdated or clogged air filter may also cause engine fault lights to appear. The function of the air filter is to filter the impurities in the air and protect the engine from external pollutants. If the air filter is outdated or blocked, it cannot filter the air normally, which will cause the engine performance to decline and the failure light to appear. To solve this problem, just replace the air filter. 3. Replace the fuel filter. The fuel filter is an important element to filter impurities in fuel and protect the engine from garbage and impurities.If there is a problem with the fuel filter and the fuel filtration is not thorough, it will cause the engine to not work properly, resulting in the appearance of a fault light. Replacing the fuel filter may require some skills. If you don't understand, you can ask a professional technician to help you replace it. Four. Checking the engine fault light of the flywheel sensor may also be caused by the failure of the flywheel sensor. The function of the flywheel sensor is to monitor the rotation speed of the engine and transmit these signals to the car's computer. If the speed sensor of the engine fails, the computer will not be able to obtain the signal correctly and display the fault light. To solve this problem, you need to check whether the flywheel sensor is faulty and repair or replace it. 5. Checking the exhaust system is also a common reason for the appearance of engine fault lights. Exhaust pipes, oxygen sensors and catalysts in the exhaust systemIf there is a problem with the device and other elements due to outdated age or pollution, it will lead to a decrease in engine performance. When the engine senses changes in the exhaust system, it will send an engine fault signal to the driver and store the fault information in the car computer. To solve this problem, you need to carefully check the elements in the exhaust system and repair or replace them. In short, the engine fault light is not a problem to be ignored, because it indicates that your vehicle has encountered certain problems and needs to be repaired. If you are not sure how to solve this problem, please contact a professional technician or car mechanic to help you overhaul and maintain your vehicle to ensure that your vehicle can operate normally and keep it safe.

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