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What is the reason for the Buick Envision indicating reduced power steering assistance?

1 Answers

MacLayla

07/29/25 11:38pm

The reason the Envision indicates reduced power steering assistance is due to an issue with the power steering assist device. Here is more information about power steering: 1. Introduction: Power steering assists the driver in adjusting the car's direction, reducing the effort required to turn the steering wheel. Of course, power steering also plays a role in the safety and fuel efficiency of the vehicle. 2. Classification: (1) Mechanical hydraulic power steering system, generally composed of components such as a hydraulic pump, oil pipes, pressure and flow control valve body, V-belt, and oil reservoir. (2) Electro-hydraulic power steering system, driven by an electric motor, with an added electronic control system on top of the previous setup, making the steering assistance not only related to the steering angle but also to the vehicle speed. (3) Electric power steering system, generally composed of a torque (steering) sensor, electronic control unit, electric motor, reducer, mechanical steering gear, and battery power source.

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