Is an Idle Speed of 400 RPM Normal for the Envision?

[ORebecca]

An idle speed of 400 RPM is not normal for the Envision; this idle speed is somewhat low, which may indicate a malfunction in the idle control valve. The owner should have the idle control valve on the throttle body inspected. The throttle body is often referred to as the engine's throat, as it controls the amount of air entering the engine. A normal engine idle speed should range between 600 RPM and 800 RPM per minute. The Envision is a mid-size SUV under the SAIC-GM Buick brand, with a maximum engine power of 124 kW and a maximum torque of 250 Nm. The vehicle's dimensions are 4694 mm in length, 1839 mm in width, and 1686 mm in height, with a wheelbase of 2750 mm, and it is equipped with a 7-speed dry dual-clutch transmission.