What are the common faults of Volvo XC40?

[LeReed]

Common faults of Volvo XC40: 1. Fuel quality issues: The fuel quality does not meet standards. Some owners may find the engine warning light illuminated on the dashboard immediately after refueling, which is usually caused by poor-quality gasoline from non-standard gas stations. 2. Carbon deposits in the engine and spark plugs: After some time of use, carbon deposits will accumulate in the engine, which can lead to engine damage, difficulty starting, poor acceleration, excessive engine noise, and other issues. The accumulated heat can cause irregular engine ignition, leading to engine knocking. At this point, the engine warning light will turn on. 3. Damage to the water temperature sensor: When the engine water temperature is low, the water temperature sensor sends information to the ECU to enrich the air-fuel mixture, ensuring stable engine operation. If the water temperature sensor fails to indicate a cold engine condition, the air-fuel mixture will become too lean, causing abnormal engine operation. Similarly, if the sensor indicates a cold engine condition when the engine is warm, the air-fuel mixture will become too rich, also leading to abnormal engine operation.