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Buzz/Whine at firewall

Engine

Vehicle Information: Model: C4; Year: 1993; Body Type: Coupe; Engine (type, size, modifications): 3.6; Total Mileage: 83000;

I have much the same question as that of another member with a 93 C2 Cab - (mine is a 93 C4 Coupe)that was asked on 8/19/2005. There is a noise just in front of the firewall as heard from inside the front trunk that sounds like a motor or pump running continuously while the engine is running. This is a new phenomenon (I think). The noise does not start with key on/engine off.Was the problem ever diagnosed and fixed by the other member??Thanks

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