MY MODEL YEAR 2002 SUBARU IMPREZA WRX WAGON HAS HAD A SLIGHT REOCCURING PROBLEM WITH WHAT SEEMS TO BE A FAULTY ABS BRAKING SENSOR. *AK THE CAR SUFFERS FROM A DROP IN PRESSURE OF BRAKE PEDAL FEEL AND BRAKE PERFORMANCE OVER UNEVEN OR BUMPY ROADS. WHEN BRAKING UNDER NORMAL DRIVING CONDITIONS IF A BUMPY OR UNEVEN SURFACE IS ENCOUNTERED WHILE BRAKING THE ABS KICKS IN AND THERE IS A LOSS IN CONTROL VIA THE BRAKE PEDAL OF THE BRAKING FORCE. THIS CONDITION HAPPENS EVERY TIME THE CONDITIONS ARE PRESENT AS DESCRIBED, AND CAN BE QUITE DISCONCERTING. IT IS OBVIOUS THAT UNDER PANIC SITUATIONS, COUPLED WITH LESS THAN IDEAL ROAD SURFACES, THIS CONDITION COULD PROVE VERY DANGEROUS, AS THE BRAKING DISTANCE OF THE CAR INCREASES DRAMATICALLY DURING THIS ACTION.