What is the high idle speed of Dongfeng Xiaokang k07s?

1. Idle speed switch is not turned off, and idle speed control valve is faulty: adjust or replace throttle position sensor, and clean or replace idle speed control valve at the same time, and use special decoder to basically set idle speed.

2. Air leakage in the intake pipe and incorrect gas distribution phase: find the air leakage, reseal or replace relevant parts, check the timing mark, and readjust the gas distribution phase according to the standard.

3. The injector is dripping or blocked, and the exhaust system is blocked: clean and check the fuel injection quantity of each injector to ensure that there is no blockage or dripping, and replace the three-way catalytic converter.

4. Open the EGR valve when idling: remove the carbon deposit on the EGR valve or replace the EGR valve.