2009 GMC Sierra 2500 HD Q&A

2009 GMC Sierra 2500 HD Question: Truck is super slow to fuel up? Do you know of any known problems or fixes?

Blows back fuel when filling up. Have to fill it SUPER slow or in short bursts. Very frustrating. Thanks. -
Answer 1
There's a 8 page document from GM on this problem. What i find very interesting is that it's not a TSB. Contact me at autoknowhow@gmail.com -
Answer 2
ck for vents or crimped hose going in tank -
Comment 1
Thanks for your replies. Will post the findings. -