2000 Mercury Grand Marquis Q&A

2000 Mercury Grand Marquis Question: Brake pump runs when just about stoped

Brake pump turns on for 1 second or less ,just before complete stop(1 or 2 mph).No warning lights are on or flash on.Other wise brake system normal.This situation happens on dry surface almost at every stop. -
Answer 1
Most likely a bad wheel speed sensor. -