Urgent! ! ! Four-stroke car throttle!

There used to be a two-stroke engine, but now it has been eliminated. There is no six-stroke engine now, and I believe it will not appear in the future.

Since the appearance of the automobile, the throttle has not changed much, but some auxiliary devices, such as idle speed control valve, have been installed on the throttle body. In the past, most of the throttle faults were improper adjustment, and there were basically no other faults. At present, most of the faults on the throttle body appear on the throttle position sensor. Its structure is to install a copper sheet with a diameter slightly smaller than the inner diameter of the intake manifold somewhere to make the intake manifold with a certain diameter rotate, so as to control the intake resistance and change the intake air volume.