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How Long Does a Wheel Speed Sensor Last?

1 Answers

RichardAnn

07/30/25 1:45am

Different sensors have varying lifespans: combustible gas sensors last approximately 2-3 years, conventional electrochemical sensors 2-3 years, and infrared principle sensors 3-5 years. The actual lifespan depends on the operating conditions. The wheel speed sensor is a critical component as it directly affects the proper functioning of the ABS (Anti-lock Braking System), braking system, DSC (Dynamic Stability Control) system, and other vital safety features in a vehicle. These systems are crucial for life-saving situations, so any related warnings should be taken seriously. Symptoms and solutions for a faulty wheel speed sensor: 1. Unstable engine idle. 2. Stalling or sudden shutdown: Occurs when starting the vehicle or decelerating to a stop. 3. Reduced engine acceleration performance. 4. Inaccurate speed display on the dashboard. 5. Illuminated engine warning light. 6. External force damaging the sensor wiring harness: In earlier models (around pre-2011), the wheel speed sensor wiring lacked sufficient slack, causing frequent breakage during full steering lock. This can be resolved by modifying the sensor bracket to create slack in the harness, preventing future damage after replacement. 7. False failures: Dirt or magnetic contamination on the sensor head may cause the wheel speed sensor to malfunction.

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