1997 Ford Aerostar Car Makes High Pitch Humming Comes Stop Feels Coming Throttle

1997 FORD AEROSTAR
111,000 MILES
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JOHNFARMER
  • MEMBER
  • 1 POST
car makes high pitch humming when comes to a stop feels like it coming from throttle body area

idle air sensor has been replaced any ideas
Nov 1, 2012 at 2:59 PM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
check for a vacuum leak either on engine or at brake booster where it enters feom engine.
Nov 1, 2012 at 5:04 PM
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