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

2001 FORD CROWN VICTORIA
56,000 MILES
Avatar
SCOTTPER58
  • MEMBER
  • 5 POSTS
Happens intermittently while the car is running, braking has no effect
Dec 18, 2011 at 6:59 AM
Advertisement
Avatar
RASMATAZ
  • ✓Experienced Mechanic
  • 75,992 POSTS
Check where its coming from and give us the location
Dec 18, 2011 at 7:19 AM
Avatar
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
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.