my car makes a humming noise when i accelerate, what could that be???

2004 CADILLAC DEVILLE
150,000 MILES
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SWEETJAMESJONES
  • MEMBER
  • 1 POST
when i stop it doesnt make any noise, but when i press the gas my car begins to humm
Mar 31, 2012 at 3:29 PM
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FIXITMR
  • ✓ASE Certified Mechanic
  • 9,990 POSTS
  • ASE Certified Mechanic
does it change in volume/pitch as you go faster? does it do it when you rev in neutral?
Mar 31, 2012 at 5:24 PM
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