1999 GMC Truck gas gauge

1999 GMC TRUCK
84,000 MILES • V8 • 4WD • AUTOMATIC
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ELDON LOISELL
  • MEMBER
  • 1 POST
gas gauge moves to empty when I fill tank then slowly moves to fill. Then moves up and down.
Aug 27, 2010 at 12:05 AM
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BLUELIGHTNIN6
  • ✓Experienced Mechanic
  • 16,542 POSTS
fuel gauge sending unit, in fuel tank, is most likely faulty and needs replaced
Aug 27, 2010 at 10:57 AM
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