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List of the contents of this article:

• 1,global goods transport The "alarm" signal of the car, once you find it, deal with it quickly
• 2, The car sends these 3 signals, indicating that the spark plug needs to be changed
• 3, What is the phenomenon and cause of car signal failure?

Car's "alm" signal, once found, deal with it quickly

Brake system fault light When the brake system fault light is on while the car is driving, at this time, we Park the car in time without any obstacles.In traffic places, check the brake pads and brake fluid, otherwise the brakes will fail, which will be related to people's driving safety.

So if the steering assistance alarm light is on, you must stop and check immediately. There are also signs of engine oil pots and water waves, which means that it is very likely that the bottom pot of the car has been destroyed, which is also very dangerous.

The alarm system warns the driver that it needs to be tested and repaired. The green indicator light is working normally. In the future, if there is an abnormality in the instrument indicator light on the road, it must be dealt with in time. Pay attention to safety when traveling. This article comes from the author of Autohome, which does not represent the views and position of Autohome.

The car sends these three signals, indicating that the spark plug needs to be replaced

The following three signals appear, that is, the signal that the spark plug needs to be replaced. If the car is running completely normally and turns off without warning, it will be difficult to start and will not catch fire, which is particularly dangerous on the highway. Therefore, we must be careful. The culprit of this situation may be a small spark plug. It is necessary to replace it in time.

Turn off the engine at idle speed. When our car is idling, the engine will be under greater pressure.If the engine keeps turning off at this time, it means that there is something wrong with our spark plugs. If there is still some black smoke, you must go to the repair shop in time to see what other parts are faulty besides the spark plug.

The engine swings greatly when starting. When our car starts, the engine shakes strongly. At this time, we need to consider whether there is a problem with our spark plugs. If the spark plugs are not replaced in time at this time, it may cause more hidden dangers, such as carbon accumulation in the car and failure of the cylinder block.

Turn off the engine at idle speed. When our car is idling, the engine will be under greater pressure. If it keeps turning at this time, it proves that there is something wrong with our spark plugs. Before the spark plugs are scrapped, the car will emit these three signals.

What is the phenomenon and cause of car signal failure?

There are two possibilities, the speed sensor is broken, or the speed signal processing module of the instrument is broken. Because the speed signal of this kind of car is first provided to the instrument by the speed sensor, and then provided to the ECU after the instrument processes it.

The symptoms are relatively obvious, and the causes are relatively complex. The main reason is that there is a fault inside the car that has not been noticed, which has developed into sudden damage.

Then it is very likely that some parts cause the fault light of the car to light up, and the reason why the fault light of the car can turn on is also very common. The main reason is likely to be that the owner does not regularly maintain the parts that need maintenance, or the sensor inside fails and the mixed gas combustion is insufficient.

Among them.Aging is the main cause of failure of non-metallic parts and electrical components; and the main cause of failure of metal parts is wear, and the internal wear of auto parts has a certain regularity.

Common faults of turn signals and hazard warning lights; turn signal lights are not on; the flash frequency of turn signal lights is abnormal, etc.; all turn signal lights are not on, which is generally caused by the disconnection of the flasher power cord or the safety device.

Sensor problem The sensors mentioned here include water temperature, crankshaft position, air flow, intake temperature, oxygen sensor, etc. When these sensors are damaged, poor contact or the signal is interrupted, the ECU of the car cannot accurately obtain the engine data, which will cause the engine fault light to light up. .