How to deal with the high idle speed of Lefeng cold car?

Causes of high idle speed during cold start:

If the weather is very cold, the car will idle below 1 thousand rpm after starting, about 900 rpm, in order to protect the engine.

If the vehicle is started in the weather above 15 degrees, the idle speed of the vehicle will be around 1200 rpm after starting, so as to quickly preheat the oil and lubricate the parts.

Solution:

1. Clean the throttle valve and match it;

2, check whether there is any leakage on the exhaust pipe, the latter leakage;

3. Check the carbon deposit at the air inlet of the vehicle;

4. Check the water temperature sensor.