Can anyone help i am aving an issue with low mpg 20mpg infact on 1.6 escort flight which is on another posting/thread. But whilst i was out i noticed that wen i get to 40mph it sounds like a tornado in the car? it maybe me but this is the first car ive owned that wen all the airvents are shut air blows through everywhere else regardless like avin me window open only ad the car a couple of weeks.