Buick gl8 Lu Zun Idle Steering Wheel Idle Bottom

The low idle speed of gasoline engine may be due to the following reasons: 1, dirty throttle. In this case, it is necessary to clean the throttle valve. 2. Idle speed control valve is faulty. This problem is very common, and the idle speed control valve needs to be replaced. There is too much carbon in the cylinder. This phenomenon is also common, and the solution needs to clean up the carbon deposit. 4. The fuel injector is poorly atomized or blocked. 5. There are impurities in the oil circuit. 6. Viscosity change of oil.