My Kia Chi Run made a lot of noise when it started to refuel. What should I do?

The noise of Kia Chi Run engine is caused by carbon deposition. It is necessary to clean the carbon deposits in the engine combustion chamber, fuel injector, intake valve and throttle valve, and finally pour the exhaust cleaning agent into the fuel tank to clean all the carbon deposits in the gasoline circuit.

Foot glue is a rubber block between the engine and the frame. Its function is to reduce the vibration and buffer when the engine works and fix the engine. Once these feet are aged or loose, the engine will shake, and the faster the speed, the louder the shaking sound. Treatment: Fasten or replace the machine foot glue.

On the one hand, if the viscosity of our oil does not match the engine, it is easy to produce carbon deposit, which will lead to engine noise. On the other hand, if the oil viscosity is too low, it will lead to insufficient lubrication and abnormal noise caused by engine parts wear; Too high oil viscosity and too high engine load will also produce noise. Solution: Use the oil label on the vehicle manual, and don't mix different brands of oils.