Recently, netizens a problem in the background information of the master, his car traveled more than 40,000 kilometers, there have been cases cold car idling instability, ask how to solve? In fact, people understand this issue in terms of the car is very simple, but for white is not very easy to understand, the key issue is the “throttle”! Today we have to say something about “throttle” and what are the symptoms of a throttle problem!