1998 Mercedes Benz S320

1998 MERCEDES BENZ S320
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LINDABUTE
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  • 2 POSTS
1998 Mercedes Benz S320 70000 miles

why does the fuel pump on my vehicle make a buzzing sound when the gas goes low
May 18, 2010 at 5:22 PM
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MHPAUTOS
  • ✓ASE Certified Mechanic
  • 31,937 POSTS
  • ASE Certified Mechanic
Hi there,

often if the fuel is very low it will become aerated this is the noise you are hearing, keep the tank at least 1/4 full as a min, this way you will not over heat the pump.

mark (mhpautos)
May 18, 2010 at 5:34 PM
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