What is the trouble light of Audi q5 engine?

Bian Xiao provides you with the following information about "What is the Audi q5 engine fault light?" ：

There are many reasons: 1. The gasoline used by the vehicle is not good, and it has not been refueled at a regular gas station. 2. There is too much carbon deposit in the engine, and there are spark plugs, throttles, fuel nozzles and air inlets where carbon deposit exists. 3. The spark plug is not working properly. 4. The sensor related to the engine is faulty. 5. The air filter needs to be replaced. When the motor vehicle is in normal use, the engine fault light is on, indicating that there is something wrong with the motor vehicle engine and it needs to be checked and repaired in time. If you can't operate it yourself, you can drive the vehicle to the after-sales or repair shop for inspection and maintenance.