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Old 11-13-2003, 05:08 PM
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G-Benz G-Benz is offline
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Join Date: Apr 2001
Location: Dallas/Fort-Worth
Posts: 5,711
A buzzing fuel pump is usually an indicator of impending failure...

...while many have gone on with a noisy pump and had no problems, if your pump used to "hiss" and now "buzzes" (and you notice problems when this occurs), it just might be the pump.

On the other hand, a faulty fuel pressure regulator could malfunction and briefly "starve" the fuel pump (hence the buzzing and hesitation).
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