Performance of BMW x5 Throttle Fault

1, the engine idle speed is unstable, and the high idle speed keeps decreasing, which makes it difficult to start the engine, especially the cold start.

2, the engine idle speed instability or no idle speed.

It is difficult to start the engine.

4. The engine has insufficient power, poor acceleration performance and unstable operation.

5. The exhaust pipe of the car emits black smoke, which increases fuel consumption. Throttle is a controllable valve that controls air to enter the engine. After the air enters the intake pipe, it will be mixed with gasoline to form a combustible mixture, and the combustion is successful.