intermittent fog horn noise from underneath when taking foot off accelerator or while idle at stop light, but as soon as I press on accelerator it stops, Also rattle from under hood when car is barely rolling.
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1997 Ford Thunderbird Question: noise and rattle
Answer #1sinautoscan.com October 25, 2009, 18:42Master
it sounds like it may be one of the exhaust covers maybe one for the exhaust manifold i would also check the covers under the car.
Answer #2Visitor, July 17, 2010, 22:16
If your speed slows when taking off it could be the catalytic converters(3). My 96 made the same sort of sound when they went out.