The vehicle speed sensor (VSS) on a 2001 Toyota 4Runner is situated close to the base front region of the transmission. The least difficult method for eliminating one is utilizing a 1-inch well attachment. The VSS computes the transmission's genuine stuff apportion while the vehicle is moving. There are actually two. One to screen the information shaft speed and the other to screen the result. Side effects of a terrible sensor incorporate faltering,inconsistent leaps or unpleasant moving with the transmission. You may likewise see issues with the speedometer. The voyage control by and large won't work assuming the speed sensor is flopping by the same token. The typical expense to supplant the VSS in the 2001 4Runner is $290 to $400. Work makes up about $70 to $90 of that aggregate.