One problem related to brake sensor has been reported for the 1998 Ford E-150. The most recently reported issues are listed below.
While stopping at a traffic light or a stop sign, the consumer had his foot on the brake pedal, the brake pedal suddenly went to the floorboard and the vehicle went forward, almost causing a collision. The consumer had taken the vehicle to the mechanic. After test driving the vehicle, the mechanic told the consumer that the problem was with the sensors. Since then, the sensors were replaced.