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Engine fault light yellow light (yellow engine fault light warning,DigiPlus fair value car owners need to overhaul in time) Modern cars have become an indispensable part of our lives. With the continuous upgrading of automobile technology, our driving It's getting more and more comfortable to drive.However, in smooth daily driving, if the yellow warning light of the engine fault light lights up, many car owners do not know how to deal with it. This article will introduce in detail the causes, coping methods and precautions of engine fault lights to help car owners quickly solve problems and keep cars healthy. 1. The reason for the engine fault light The engine fault light means that the engine electronic control system detects one or more engine faults and prompts the car driver to check and repair. When the engine fault light lights up, it means that the electronic control system of the car detects certain parameters of the engine or the signal of the sensor beyond the preset range. Among them, there may be many reasons for engine failure lights, such as sensor failure, air intake system problems, electrical failures and oil line problems. Here are several common reasons: (1) Air flowMeter fault: The air flow meter will detect the engine intake and reasonably control it with the fuel. If the air flow meter is damaged or malfunctioned, the engine fault light will appear. ( 2) Oxygen sensor failure: The oxygen sensor is an important sensor for monitoring engine emissions. It can detect whether the engine burns completely enough. If there is a problem with the oxygen sensor, it will lead to insufficient combustion and engine failure lights. ( 3) Throttle sensor failure: The throttle sensor is one of the important components to control the engine speed and power output. If the throttle sensor fails, the engine control module will not be able to control the exhaust, acceleration and other information normally, and the engine failure light will appear. ( 4) Ignition system problems: The ignition system can control all the installation parts of the engine subsystem. If the ignition system has a short circuit, open circuit, poor contact, coil damage, etc., the engine fault light will prompt.Two. Response: If the engine fault light is on, the owner needs to deal with it in time and follow the following steps: (1) Stop: immediately park the vehicle in a safe zone and turn off the engine. ( 2) Inspection: Check whether the vehicle has fuel leakage or other obvious problems. If it is not checked, you can use the OBDII fault diagnostic instrument to detect the vehicle to understand the specific fault information. ( 3) Maintenance: According to the specific situation of repair problems, it is recommended to ask professional maintenance personnel to inspect and maintain the vehicle. If only the engine fault light appears and there are no other obvious problems, the owner can pause the driving for a short time, observe whether there is obvious abnormalities in the vehicle, and ask professional and technical personnel to test and maintain as soon as possible to ensure the safety and normal use of the vehicle. 3. Precautions (1) Maintenance: Carry out regularlyCar maintenance can ensure the normal operation of the car and avoid some common faults, such as replacing air, oil filters, etc. ( 2) Driving style: Avoid stepping on the accelerator, frequent starting and stopping the engine and other behaviors will cause the engine parts to be fixed and affect the stability of the whole engine system. ( 3) Timely handling: When the yellow engine fault light lights up, some car owners will feel that everything seems to be normal, but this is only temporary and needs to be handled in time to avoid more serious losses and safety problems. In a word, the yellow warning light of the engine fault light can provide the car owner with important tips. At this time, it needs to be detected and maintained as soon as possible to ensure the normal operation of the vehicle. The owner can follow the above methods and precautions to maintain timely inspection and attention to the vehicle, so that the car can maintain normal operation while ensuring the safety of personal and property.

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