Dirty throttle idle valve

When the throttle valve is dirty and there is carbon deposit, it will cause insufficient power, unstable idle speed and easy flameout. So it is necessary to clean the throttle valve frequently. The causes of carbon deposition include poor engine oil and insufficient engine combustion, which will lead to dirty throttle. I hope it can help you with your car problem, and ask the car master. 4S shop professional technician, 10 minutes to solve.