My car is making a very Loud high pitched sound when foot isn't in the accelerator, what can it be?

30

Asked by Aug 26, 2013 at 03:36 AM about the 2009 Audi A4 2.0T Quattro

Question type: Maintenance & Repair

It's an 09 Audi a4 , when my foot
isn't in the gas pedal it makes an
extremely  loud noise from the
outside to the point where everyone
inside their cars or out on the streets
can hear and it happens as soon as
the car is on and not being
accelerated.

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