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

Blows back fuel when filling up. Have to fill it SUPER slow or in short bursts. Very frustrating. Thanks.

by in Curlew, WA on September 08, 2011
2 answers 1 comment
ANSWER by , September 08, 2011
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
ANSWER by , September 11, 2011
ck for vents or crimped hose going in tank
COMMENT by , September 11, 2011
Thanks for your replies. Will post the findings.