LOW BRAKING POWER MESSAGE IS ON AND BRAKE TO FLOOR AND VEHICLE DOES NOT BRAKE PROPERLY CAUSE: DIAGNOSED CONCERN, FOUND VACCUM PUMP NOT PRODUCING VACCUM CAUSING CONCERN, INSPECTED AND FOUND VACCUM PUMP BROKEN AND CAMSHAFT BROKEN, PIECES BROKEN OFF INSIDE ENGINE. STATES LOW BRAKING POWER MESSAGE IS ON AND BRAKE PEDAL DROPS TO FLOOR AND VEHICLE DOES NOT BRAKE PROPERLY