FORD: THE NOISE COMING FROM ENGINE, LIKE BUZZING OR SAWING, WHEN RPM RANGE IS 950 AND 1200 AND CAN BE PINPOINTED, BY USING A STETHOSCOPE, BACK TO TIMING BELT TENSIONER AREA AND REPLACING TIMING BELT TENSIONER OR BELT FAIL TO CORRECT PROBLEM. MODEL 2012-2014 FIESTA. *PE