Is the high idle speed of Volkswagen Bora 10 a throttle problem?

The common reasons for the high idle speed of the car are that the throttle is stuck and closed loosely; Idle speed control valve failure; Water temperature sensor failure; Air leakage in the air intake system; Air conditioning switch, power steering gear pressure switch failure, etc.

In general, the air intake must be strictly limited. If the air intake pipe leaks, the air flow sensor can't measure the real air intake, and the electronic control unit can't accurately control the air intake, which leads to the unstable idle speed of the car. Solution: First, find the leakage point, reseal or replace the relevant parts.

Matters needing attention when the car is idling

There is an idle motor next to the throttle. Idle motor mainly adjusts the air flow in the bypass pipe or fully opens the throttle valve to control the air intake when the engine is idling, so as to control the idle speed.

What's the difference between idle speed of vehicles? The hazards of high idle speed are increasing fuel consumption, increasing engine working temperature and increasing machine wear. The hazard of low idle speed is that it is easy to turn off when starting. If it is started frequently, it is not good for the engine and starter. In addition, if the idle speed is too low, it is very likely that the vehicle will turn off when driving, which is very dangerous. It is easy to accumulate carbon in the engine cylinder for a long time, which leads to weak acceleration.