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List of contents of this article:

• 1,What is the reason for the yellow light of the engine fault light
• 2 、 The engine yellow light will flash for a while and it will be gone

The yellow light of the engine fault isWhat causes it

1. Sensor failure: Sensors on the vehicle may fail, such as air flow sensors, oxygen sensors, throttle position sensors, etc. These sensors may send wrong signals to the vehicle computer, causing the engine indicator light to light up.

2. There are many reasons, and the common ones are as follows: oxygen sensor failure. If the oxygen sensor is damaged or the sensor plug is damaged or loose, it will cause the mixed gas to be too thin or too thick, causing the fault light to turn on. The quality of gasoline is poor and does not meet the standard.

3. What is the reason for the yellow light of the engine fault light? The yellow light of the engine fault light usually indicates that there is some kind of fault or abnormality in the engine system. My husband and I went out for a self-driving trip, and we met Fa halfway.The motor fault light is yellow, which is mainly due to the problem of the crankshaft transmission system, which is a mechanical failure of the engine.

4. The yellow light of the engine fault light is mainly as follows: the throttle valve is stolen, resulting in the mixed gas. The engine accumulates too much carbon, resulting in unqualified exhaust emissions. The reason for excessive carbon accumulation may be that the quality of the frequently used oil is not very good, the maintenance is not done on time, or it is also related to the usual driving habits.

What's wrong with the yellow engine light on the dashboard?

1. The reason why the yellow light of the dashboard engine is on is: sensor problems. The sensors 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. This It will cause the engine failure light to turn on.

2. The reasons why the engine on the dashboard of the car turn on yellow are: poor quality of gasoline; failure of oxygen sensor and air flow sensor; spark plug carbonisation; engine explosion; water temperature sensor damage; engine cylinder shortage.

3. Reasons for the yellow light of the dashboard engine: sensor problems, maintenance problems, oil quality problems, poor combustion of mixed gas, air intake problems.

4. It is not recommended to turn on the engine fault light on the dashboard to eliminate it manually. The danger of manual elimination is relatively high. It is still recommended to go to the 4s store to find the fault through the fault diagnosis instrument to eliminate it, and call the insurance company or 4s store to wait for rescue.

5. There are several ways in which the engine fault light is on: the yellow light is always on and the yellow light flashes; the red light is on and the red light flashes. If the red light is on, you should go to the 4S store for inspection and repair immediately. The fault is very serious. If the yellow light is on, the fault may not affect the driving, but you should also check it as soon as possible.

The engine yellow light flashes for a while and then it's gone

And the reason why the engine fault light flashes is likely to be that a part of the engine has failed, which is an abnormal phenomenon.

When the car engine is not working normally and the self-diagnostic system has no fault code output, it is especially necessary to rely on the operator's inspection and judgment to determine the nature of the fault and the part of the fault.

The engine fault light turns yellow, and the fault light flashes when you step on the accelerator. In this case, it means that the amount of engine oil does not reach the normal oil level, and you need to replenish enough oil to the engine immediately. The specific operation steps for adding oil to the car engine are as follows: open the cab of the car The car door here.

After the car is energized, all the fault problem lights and warning lights on the dashboard will basically light up, which is the process of self-inspection of the instrument.After starting the engine, if the fault problem light goes out, it means that there is no fault problem with the engine. After starting the engine, if the fault problem light is still not turned off, it means that the engine of the car has a fault problem.