What's wrong with BYD Song pro 1200?

The reasons for the abnormal sound of BYD Song pro in Pacific Auto Network after it started at 1200 are as follows: 1, the flying soft gear ring slipped; 2, gasoline quality problems; 3. The brake disc and brake pad are excessively worn; 4. The brake cylinder is abnormal and the brake fluid is insufficient; 5. The dynamic balance weight on the transmission shaft falls off or the dynamic balance is unqualified; 6. The belt of the air conditioner compressor is tightened, and the tight wheel is damaged; 7, engine wear or improper assembly and adjustment.

The common faults of Song pro fuel version are: abnormal brake sound, urgent start, loud engine noise, abnormal chassis sound, unstable steering and so on. BYD Song pro is a five-seat SUV owned by BYD. It was officially launched on July 20, 200911,and launched three different types of vehicles: fuel vehicle (Song Pro fuel), plug-in hybrid vehicle (Song ProDM) and pure electric vehicle (Song ProEV). BYD Song Pro fuel version of 1.5T engine,160hp, matched with 6-speed wet dual-clutch gearbox. It is normal to idle around 1000 rpm. If the idle speed remains above 1300 rpm for a long time, it may be caused by the stuck idle speed control valve, engine water temperature sensor failure, engine computer failure, improper idle speed adjustment, throttle failure, air leakage in the intake pipe, etc. Under normal circumstances, in order to reach the normal working temperature as soon as possible, the engine speed will increase after the cold car starts, and will decrease after reaching the normal temperature. The abnormal noise of the engine during starting may be due to poor oil fluidity, resulting in poor lubrication.

(Photo/Text/Photo: Pacific Auto Network Q&A called Beast)