15 Jing Rui cleaning accelerator tutorial

In this case, it is necessary to check whether the intake valve is blocked by dirt, clean the nozzle and check the idle speed and oil of the engine.

If you don't understand, go directly to the 4S shop to check! If the 4S shop is inconvenient, go directly to the repair shop!

It doesn't matter if the engine is abnormal, basically all brands of cars will appear, depending on what kind of problem it is!

1. It may be that the car has been used for too long and all parts are aging.

The engine has carbon deposits and can be cleaned.

3. Gasoline shall not use the designated label.

(1) Valve leaks.

At high load and low speed, the air leakage noise of the valve is obvious outside the valve chamber, and the noise increases with the increase of load. The main reason is that when the valve seat is reamed, due to improper operation or excessive wear of the inner hole of the valve guide, the valve seat is skewed or the valve clearance is small, resulting in air leakage noise caused by valve ablation.

Treatment: Remove the cylinder head, grind the valve, check the spring force of the valve, and readjust the valve clearance.