What is the reason for the hum when SAIC Volkswagen LaVida accelerates?

The hum of LaVida during acceleration may be caused by air leakage of related components. It is recommended to focus on the inspection of exhaust pipe and air cleaner assembly, and it is also recommended to use the detector of 4S shop to check whether there are related fault codes. Cause analysis of buzzer alarm when LaVida accelerates: 1. Sound caused by leakage of exhaust joint pad or perforation of exhaust pipe. Solution: Check the automobile exhaust system and replace the faulty parts. 2. The long service life of the vehicle may lead to the aging of the rubber parts of the intake manifold or throttle body parts, resulting in air leakage or poor sealing of the intake manifold or throttle body parts. Solution: Replace the aging intake manifold or throttle body parts. 3. Abnormal noise may be caused by excessive wear or lack of oil or incorrect oil (grade, temperature, etc.). ) Inside the car. ) while driving. Solution: Replace damaged parts and qualified automobile oil products regularly.