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The global market accesscar engine fault light is on. During daily driving, if the engine fault light on the dashboard of the vehicle is found to be on, it may mean that the vehicle has broken down and the vehicle needs to be overhauled and handled in time. The engine is the core of the vehicle and one of the guarantees for the normal operation of the vehicle. Therefore, any situation that may affect the normal operation of the engine should attract our attention.This article will introduce the reasons why the engine fault light is on, how to deal with it, and daily maintenance. I. The reason why the engine fault light is on 1. Fuel system failure: Fuel system failure is one of the common causes of engine failure lights. For example, problems such as fuel oil pump failure, fuel injector blockage, insufficient fuel pressure, etc. may lead to engine fire failure, increased fuel consumption and other faults. Two. Engine sensor failure: The engine sensor is a device responsible for monitoring the operating status of the engine. If the sensor is damaged or fails, it will cause the engine failure light to turn on. For example, oxygen sensor failure, throttle sensor failure, etc. will cause the engine fault light to light up. 3. Exhaust system failure: The exhaust system is a device that discharges the exhaust gas to the outside of the vehicle. If the exhaust system fails, it will also cause engine failure.For example, the failure of the exhaust gas recycling system, the failure of the catalytic converter, etc. may cause the engine fault light to turn on. Four. Ignition system failure: The ignition system is the core system of engine ignition. If the ignition system fails, it will also cause the engine failure light to turn on. For example, spark plug damage, ignition line failure, etc. will lead to poor ignition, resulting in engine failure. 5. Engine mechanical failure: The engine mechanical failure is the most serious. Once a mechanical failure occurs, the vehicle will not be able to run normally. For example, damage to the cylinder intake valve or exhaust valve, crankshaft failure, piston or valve spring failure, etc. will all cause engine failure. II. Handling method If the engine fault light is on, the vehicle should be parked in a safe place as soon as possible. If it is on the highway, the vehicle should be driven to the emergency stop belt first to avoid causing more serious faults during driving as much as possible.Then, after confirming the safety, check the vehicle in time to determine the specific cause of the failure. The specific solution needs to be determined according to different causes of failure. If it is a fuel system failure, you can consider replacing or cleaning the fuel nozzle, replacing the fuel oil pump, etc.; if it is an engine sensor failure, you need to replace the corresponding sensor; if it is an exhaust system failure, you need to repair or replace the exhaust system-related equipment; if it is an ignition system failure, you need to replace or replace the spark plug, etc. ; If it is a mechanical failure of the engine, the engine needs to be inspected and repaired more strictly. However, it should be noted that if you are not a professional car repairman, you'd better not easily try to deal with the fault problem by yourself, so as not to cause more serious problems. Therefore, it is necessary to go to a regular car repair shop in time to seek professional help and maintenance.III. Daily maintenance. At ordinary times, we can maintain the vehicle in the following ways to reduce the possibility of failure: 1. Regular replacement of four filters: Regular replacement of oil, air filter, fuel filter and air conditioning filter is a necessary measure to maintain the normal operation of the vehicle. Two. Regularly check the battery and charging system: The battery is the core component of the vehicle start-up. Regularly checking the status of the battery and charging system is the key to providing sufficient electricity. 3. Replace the wiper blade: The wiper blade is an important component to maintain driving safety. Replacing the wiper blade can prevent blurred vision when driving too fast. Four. Regular inspection of tire condition: Regular inspection of the air pressure, pattern depth and degree of wear of tires is a necessary measure to ensure the safety of the vehicle. In summary, when the engine fault light is on, it must be dealt with in time, and the specific method needs to be decided according to the cause of the failure.Regular vehicle maintenance and maintenance is also an important measure to prevent faults. It is recommended that the majority of car owners maintain good maintenance habits to avoid unexpected vehicle failures.

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