ENGINE FAILED TWICE WITHIN TWO MONTHS FOR NO REASON. BOTH TIMES SLOWING DOWN WHEN GOING TO TURN. NO ONE WAS HURT./// LOST CONTROL OF 4 RUNNER WHILE SLOWING DOWN FOR EXIT RAMP AT 35 MPH AND WET ROAD. SPEED WAS NOT EXCESSIVE FOR CONDITIONS. CAR SPUN HIT GUARD RAIL AND THEN HIT AND DID A 360. 4 DAYS LATER, DRY FREEWAY AT 70 MPH CAR SUDDENLY VEERED TO LEFT, SPUN 360 THEN INTO GRASS MEDIAN 360 , THEN 360 BACK ONTO FREEWAY AND CAME TO STOP, ONLY GOD COULD HAVE PREVENTED THIS FROM BEING A DISASTER. TWO PASSENGERS, NO ONE WAS HURT. CAR COVERED WITH GRASS. *AK( DOT NUMBER: TIRE SIZE: 16 )