What are the dirty parts of throttle body and idle motor of automobile engine?

Generally, there are the following reasons:

1, mainly the interior environment, the air intake screen is not well filtered, and the surrounding environment is dusty.

2, the variety of engine oil is not good, and the evaporation is large.

It is produced by oil, gas and impurities in the crankcase.

4, after the flameout, the throttle can't be very tight, inhale some dust, many a mickle makes a mickle.

Throttle body and idle motor control air to enter the engine, which is in a very critical position. If there is a problem, it will affect the normal operation of the engine, which will lead to the failure of the car to run normally. In serious cases, it may cause engine damage or even traffic accidents, so we must pay attention to it.