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On 1997 Buick LeSabre 3800 If you have a humming sound when sitting in front seat with engine idling Do you know what the problem may be?
Wiki User
∙ 18y ago
You may be hearing the fuel pump. Turn the ignition on without starting the engine and listen carefully for the fuel pump. It will only run for a few seconds if you do not start the engine. Is that the sound you are hearing? You may also be hearing the blower motor which runs at it lowest setting continuously on some cars.
Wiki User
∙ 18y ago
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