How can Viano's engine belt speed be unstable?

How can the unstable belt speed of Viano engine be caused by oil and carbon accumulation in the throttle? The owner can identify whether the intake manifold is leaking or not. Open the engine hood and remove the air filter of the throttle valve. Start the car and block the accelerator with your hand. If it doesn't turn off the engine, you don't have to turn it off in a hurry. At this time, first check the nearby pipes to see if there is any inhalation, which means it is leaking.

Importance of engine

The importance of the engine to a car must be clear to all car owners. It is like the heart of a car, and its condition will directly affect whether the car can run normally. However, in the long-term driving process, the engine will inevitably have some minor problems, which may be more serious after a long time and the maintenance cost will be more expensive. Therefore, in order to effectively avoid major problems in the engine, it is also very important for the owner to do a good job of maintenance.

When it comes to engine maintenance, the owner may only know some simple items such as changing oil and oil filter. Every time they go to maintenance, they may incur some unnecessary expenses, so it is very important to know some maintenance knowledge in advance. First, change the oil. This is also the most familiar point for car owners. The maintenance cycle of different oils will be different.