After cleaning the nozzle and throttle, the idle speed of the old Alto was high. Excuse me, does it cost oil? How much does it cost?

The normal idle speed is 800 to 900. High idle speed will definitely cost oil. After washing the throttle valve, its parameters change, and the intake air volume also changes. It can be said that the computer needs to collect these data again, which is also a learning process of the computer, so there is still an adaptation stage, which will automatically return to normal in a few minutes. If it does not return to normal, it means that the vacuum tube on the intake manifold or throttle valve is not inserted correctly, or the throttle valve is not installed at the air leakage place.