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2005 GMC Suburban air in thepetrol tank

Tiny
ALRAWABDEH
  • MEMBER
  • 2005 GMC SUBURBAN
  • 5.3L
  • V8
  • RWD
  • AUTOMATIC
  • 100,000 MILES
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.
Friday, November 28th, 2014 AT 9:25 PM

2 Replies

Tiny
JOHNNYT73
  • MECHANIC
  • 924 POSTS
Could be the fuel tank pressure sensor or the vent valve is clogged or just stuck closed.
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Saturday, November 29th, 2014 AT 4:37 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 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.
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Saturday, November 29th, 2014 AT 5:33 AM

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