high pitched whine

Kelso Gringo

New Member
Dec 12, 2007
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What is at the rear of the car that would produce a high pitched whine (squeal) while running? It sounds like its coming right from behind the license plate.
Are fuel pumps in the rear? Maybe they make the noise when going bad? I havent noticed any performance issues.
Any ideas?

Its a 97 GT, auto, flowmaster 40s, K&N filter, otherwise stock.
 
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