2004 Chevy Silverado gas tank vent

2004 CHEVROLET SILVERADO
15,000 MILES • V8 • 4WD • AUTOMATIC
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STARBUCK
  • MEMBER
  • 1 POST
when fueling the fuel keeps backing up, have blown out vent line it is clear what else could cause this?
Feb 23, 2008 at 11:52 PM
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DENNYP
  • ✓Experienced Mechanic
  • 1,824 POSTS
EVAP vent valve stuck closed.
Feb 25, 2008 at 12:43 PM
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