noise goes with the idle speed

2001 FORD MUSTANG
89,000 MILES
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BILLY JOE MARTIN
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2001 mustang gt v8 noise on passenger side humming sound and air filter canister vibrates noise comes and goes some time idle drops then goes back up not a bearing sound not a metal sound cleaned mas sensor, there's no moving parts around the sound.
Jan 8, 2012 at 5:29 AM
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FIXITMR
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noise happens only at idle?
Jan 8, 2012 at 8:05 AM
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FIXITMR
  • CAR REPAIR CONTRIBUTOR
  • 9,990 POSTS
possible air leak/suction causing vibration?
Jan 8, 2012 at 5:13 PM
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