Speed sensor, as its name implies, reads how fast you drive or how fast the wheel rotates. The speed sensor is helpful to maintain stability by means of telling the computer when you release pressure to a wheel when you are using ABS. Here are some symptoms telling your speed sensor is wrong: if your odometer doesn't work; if your speedometer doesn’t work or works erratically; if the cruise control doesn't work correctly; if a loss of transmission shifts respond; if your Nissan idles in a wrong way; if your Nissan rumbles; if your Nissan suddenly loses power; if the fuel economy decreases; if the Check Engine Light is on, there is a possibility that your speed sensor is failing. Welcome to our website to finish your easy-shopping experience. All we offer you is Nissan genuine speed sensor with a surprising cheap price.