Recently I have been getting a slight humming noise when driving when the wheels slightly turned, looked under the bonnet after I got home to check the power steering was tipped up it is... The charcoal canister was playing a tune when I put my finger on the tiny hole it stopped and when you take it off it goes again.... It's not anything to do with the humming when moving but why is it making this noise and can I delete the whole system out?
