2005 GMC Suburban air in thepetrol tank

2005 GMC SUBURBAN
100,000 MILES • 5.3L • V8 • RWD • AUTOMATIC
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ALRAWABDEH
  • MEMBER
  • 1 POST
Always when I fill it by petrol we found too much air inside the petrol tank. It take long time to fill it by petrol slowly .
Nov 28, 2014 at 1:25 PM
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JOHNNYT73
  • ✓Experienced Mechanic
  • 924 POSTS
Could be the fuel tank pressure sensor or the vent valve is clogged or just stuck closed.
Nov 28, 2014 at 8:37 PM
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WRENCHTECH
  • ✓Experienced Mechanic
  • 20,760 POSTS
Since the pressure sensor wouldn't even be active with the key on, you are probably looking at a stuck vent valve or possibly something restricting the fill or vent pipe.
Nov 28, 2014 at 9:33 PM
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