hissing fuel pump

CHEVROLET IMPALA
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JUAN SILVAS
  • MEMBER
  • 1 POST
Why does my 2002 chevy impala make a hissing sound. the sound is coming from the gas tank. it has 88,000 miles. it has a 6 cylinder engine. when i bang on the fuel tank you can hear it hissing lower. please help.
Oct 18, 2007 at 12:38 PM
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BLACKOP555
  • ✓Experienced Mechanic
  • 10,386 POSTS
fill tank up do you still hear it? does it sound like a electrical buzzing or humming. if so that could be the fuel pump showing you its age.
Oct 18, 2007 at 2:56 PM
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