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Car just started making sound under hood, sounds like a foghorn

2001 FORD CROWN VICTORIA
56,000 MILES
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SCOTTPER58
  • MEMBER
  • 5 POSTS
Happens intermittently while the car is running, braking has no effect
Dec 18, 2011 at 6:59 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Check where its coming from and give us the location
Dec 18, 2011 at 7:19 AM
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WAY2OLD
  • ✓Experienced Mechanic
  • 195 POSTS
There is a hose running to the throttle body that has a little "muffler" in it. This tube goes bad and will set up harmonic thrumming. It is commonly known by Ford employees as the "hooter tube".
Dec 18, 2011 at 4:11 PM
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