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What does PS mean on a car?

1 Answers

Dallas

07/29/25 2:09pm

PS on a car indicates a malfunction in the power steering system. The PS indicator light turns on when the car is ignited and will go off after the self-check is completed. Before the self-check of the electric power steering system, the steering wheel cannot be moved. If this indicator light stays on while driving, the power steering assistance may be weakened or completely lost, requiring immediate inspection and repair. The electric power steering system is developed based on the traditional mechanical steering system, utilizing the power generated by an electric motor to assist the driver in steering operations. The system mainly consists of three major components: signal sensing devices (including torque sensor, angle sensor, and speed sensor), steering assistance mechanism (motor, clutch, deceleration transmission mechanism), and electronic control device.

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