loud buzz noise from fuel pump when fuel level is 1/2 or below
Chevrolet Q&A
Ask Your Question2000 Chevrolet Express 1500 Question: fuel pump is noisy (loud buzz) when fuel level is half or below. Fill tank, no buzz
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Answer #1
mastertech6371 September 04, 2010, 19:00Reply
Masterpump is close to complete failure. as the level goes down and the pump motor emerges from the fuel, the noise level goes up.
Replace the pump
Roy
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