What are the reasons for high idle speed in the Excelle?

[StKira]

The reasons for high idle speed in the Excelle are: 1. The throttle does not match the required model of the car; 2. The engine oil has not been replaced for a long time; 3. There is an air leak in the car's intake pipe, or the vacuum tube is detached, damaged, or the intake pipe is damaged; 4. There is a leak in the car's fuel injector, causing excessive fuel supply. Taking the 2021 Excelle as an example, it belongs to the compact car category, with body dimensions of: length 4609mm, width 1798mm, height 1464mm, wheelbase 2640mm, fuel tank capacity 44l, and curb weight 1270kg. The 2021 Excelle has a front suspension of MacPherson independent suspension and a rear suspension of multi-link independent suspension. It is equipped with a 1.5L naturally aspirated engine, with a maximum horsepower of 113ps, maximum power of 83kw, maximum torque of 141nm, and is paired with a 6-speed automatic transmission.