Teana engine fault light is on. What's going on here?

Teana 2.0 engine fault light is lit by the following factors:

1. Unqualified exhaust emissions, such as poor gasoline and diesel oil, ineffective three-way catalytic converter, excessive carbon deposit at the air inlet, blocked fuel injector, ineffective oxygen sensor, etc., will definitely lead to the lighting of the engine fault light, especially the lighting of the engine fault light due to poor oil products;

2. The abnormal operation of engine system software leads to the lighting of fault lights, such as throttle sensor, electronic throttle phase sensor and air flowmeter. Or the phenomenon of poor line contact will also cause the engine fault light to light up;

3. Some software faults of automobile transmission system are also marked according to the engine fault light, such as transmission part fault, deviation and so on.

Can you still develop motivation when the yellow light is on?

The yellow engine light indicates engine failure, provided that the car is normal or can be driven. If there is serious vibration and accelerated fatigue, it is not recommended to start again. Driving again is likely to increase the number of faults, damage the engine or cause other faults. Be sure to go to the car 4S shop or repair shop to find professional and technical personnel for inspection and maintenance.

When the engine light is yellow, there are two situations. The first is that when the car is connected to the switching power supply, the car will conduct a self-test. At this time, not only the engine light turns yellow, but also other fault lights will light up together and then go out together. This is also normal. The second is that the car is driving, and the yellow light of engine failure is still on, which is also an abnormal situation that ECU prompts that the engine is faulty.

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