What could be causing the issue with the RPM in my Chevrolet Aveo?

If your Chevrolet Aveo is experiencing issues with its RPM, a probable reason could be the idle control valve. In most vehicles, the typical engine idle speed falls between 500 and 1000 RPM, while for medium to heavy-duty trucks, it is around 600 RPM. The idle speed is regulated by the throttle body in conjunction with the powertrain control module. It is advisable to inspect for faulty fuses within the car's electronically controlled systems, as a blown fuse can lead to a malfunction in the idle control valve. Another aspect to examine is the idle control valve itself, as it may be defective, often due to the accumulation of carbon in the intake manifold. Additionally, it is important to look for vacuum leaks, as they can result in a high idle caused by the oxygen sensor detecting lean operation, prompting the engine computer to compensate by increasing the idle speed. Potential causes of the issue could also include a malfunctioning throttle or computer.