Is it okay to plug the throttle tube into the car?

Automobile throttle pipe activity has an influence. The looseness of the throttle intake pipe can be divided into the connecting pipe in front of the throttle or the connecting pipe behind the throttle, that is, the pipe in front of the electronic throttle, so the speed of our engine will increase when idling. The fuel injection amount increases. If the pipe behind the electronic throttle leaks. And then because we can't detect it. Recently, engine speed and idle speed have increased, fuel consumption has increased, and idle speed is unstable.