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2001 Chevy Trailblazer fuel system

Tiny
MM733
  • MEMBER
  • 2001 CHEVROLET TRAILBLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 95,000 MILES
My truck will not let me pump gas it keeps kicking it out like its full even when I use a gas can it over flows, I pulled down the tank and checked all the lines to see if anything was cloged and seen nothing wrong. There is a box that gas lines run to up by the back bumper I was woundering if this had something to do with it?
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Friday, October 16th, 2009 AT 4:30 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
There is a breather that follows the filler tube to the tank. Its purpose is to allow air to exit the tank as fuel enters. Chances are there is an obstruction or damage to it. CHeck it. You may want to get a wire or something you can run through the hose to check for obstruction.

Let me know what you find.
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Tuesday, December 1st, 2009 AT 1:39 PM

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