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How to Resolve EPS Failure?

2 Answers

Samantha

07/28/25 7:24pm

When the car displays EPS, it indicates an electronic power steering failure issue, and it is necessary to visit a 4S shop for repair as soon as possible. The classification of automotive electronic power steering systems is as follows: 1. Mechanical Hydraulic Power Steering: The main components of the mechanical hydraulic power steering system include a hydraulic pump, oil pipes, pressure fluid control valve, V-belt, oil reservoir, etc. This type of power assistance converts part of the engine's power output into hydraulic pump pressure to apply auxiliary force to the steering system, thereby enabling tire steering. 2. Electro-Hydraulic Power Steering: In this system, the steering oil pump is no longer directly driven by the engine but by an electric motor. Additionally, an electronic control system is installed on top of the previous setup, making the steering assist force not only related to the steering angle but also to the vehicle speed. Mechanically, hydraulic reaction devices and fluid distribution valves are added.

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DelJudah

08/12/25 12:28am

I once experienced an EPS failure while driving—the steering wheel felt as heavy as lead, which was terrifying. The key to resolving it lies in identifying the root cause, such as checking if a fuse has blown. These are usually located in the engine bay or under the dashboard, and replacing them might fix the issue. If that doesn’t work, try disconnecting the battery’s negative terminal for five minutes to reset the system—sometimes the warning light will turn off. Most EPS problems stem from sensor malfunctions or unstable power supply; if the battery voltage drops below 12 volts, recharge or replace it. Make it a habit to check the steering warning light before driving. If a failure occurs, pull over immediately—don’t push through. For prevention, have a technician perform a steering system diagnostic every six months, clean sensor dust, and avoid water corrosion on connectors. Spending a little on maintenance saves money and brings peace of mind. After my last fix, I felt much safer.

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