What Causes the Vehicle to Display a Sensor Malfunction?
1 Answers
During driving, the illumination of the sensor malfunction light may be caused by a damaged speed sensor or an issue with the vehicle speed signal processing module in the instrument panel. Relevant information about the speed sensor is as follows: 1. Function of the speed sensor: The speed sensor's function is to display the vehicle's driving speed through pointer movement. It is generally divided into three types: magnetic, Hall effect, and photoelectric. 2. Symptoms of a faulty speed sensor: Unstable engine idling; momentary stalling or engine shutdown when starting or decelerating to stop; reduced engine acceleration performance; deviation in the speed displayed on the instrument panel; illumination of the engine malfunction light.