When should I replace my ABS sensor?
When should I replace my ABS sensor? When the sensor "sees" that the wheel locks up during hard braking, the sensor automatically releases brake pressure momentarily and begins pumping the brakes for you at a very rapid pace. When these sensors fail, your ABS system will no longer work until you replace the faulty sensor. How many ABS sensors does a car have? Four sensor ABS: one sensor for all four wheels, most common setup. Four sensors, three-channel ABS: one sensor for all four wheels, but there is one channel controlling the rear wheels. What causes an ABS sensor to...