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There can be a slight humming noise while driving a neon. This sound could come purely from the engine to indicate that it is running.
it could be your tires on the pavement.
Could be a bearing going bad.
if its while your driving it could be wheel bearings
No. The loud humming noise could be a wheel bearing going bad and it could damage the ABS sensor if allowed to continue.
There could be a humming noise from the engine of a 2002 Toyota Corolla because of low oil or a fouled spark plug. It can also indicate a more serious problem.
If the seat warmer on a 2004 Saturn Vue is not working it could be a problem with the heater element. This element can be found under the seat and will be easier to access from the rear of the seat.
Because the person humming needed to breathe before they could start again.
It could be the wheel bearing.
An abundance of hydrogen. With enough fuel cells, Saturn could power the Earth for millions of years. There's just the problem of getting it!
What can cause the RPM on a car to jump while driving is a problem with the transmission. It could be a problem with the gears in the transmission itself.
Just throwing it out to have your wheelbearings checked, humming can mean that they are about to break! if it keeps gettig louder and louder, the longer you wait, it could break while you are driving !!