Optimal driving throttle

I have encountered similar problems, such as unstable idle speed and sudden increase, which led to jumping in congested road conditions. It was terrible, but fortunately, there was no accident in the rapid response. Later, I checked many items, such as computer diagnosis and air conditioning. Finally, I said there was something wrong with the idle motor. The staff in the 4S shop didn't believe me, but there was no other way, so I had to promise to try. Results The fault was relieved after replacement. You can refer to it