Solution of New Alto's High Idle Speed

"The new Alto uses a computer to control the idle speed, so it can't be adjusted manually. Abnormal idle speed is a sign that the throttle is dirty. After cleaning the throttle, the idle system will automatically return to normal. The specific operation steps of cleaning are as follows: 1. Remove the new midrange throttle hose. 2. Open the new Alto throttle. 3. Clean the new Alto throttle with a brush. 4. Spray with detergent. 5. Replace the hose and it's done. ..."