What are the reasons for the engine fault light on the vehicle dashboard?

[LeAmelia]

Reasons for the engine fault light on the vehicle dashboard: 1. Poor combustion state; 2. Engine knocking; 3. Poor fuel quality; 4. Unclean engine cylinder interior with accumulated carbon deposits; 5. The computer cannot obtain engine data. After the engine fault light comes on, there are always some abnormal conditions present. If not resolved in time, it is usually accompanied by the following issues: 1. Deterioration of vehicle exhaust emissions, polluting the environment; 2. Engine oil burning; 3. Increased vehicle fuel consumption, wasting petroleum resources; 4. Increased combustion chamber temperature and accelerated wear, which may lead to early engine damage; 5. Increased engine noise, affecting driving and riding comfort.