Had the same issue with my 2007. Turned out I had gotten bad fuel on the back roads of LA. Replaced fuel filter and "O" rings that come with most fuel filters. Fixed issue, always travel with spare fuel filter, learned quickly most auto supply places do not stock these filters. Was fortunate the O'Rileys did but at a higher pric. Got me back on the road, so extra price was worth it when you are 300 miles from home. Not the biggest fan of Amazon, but they do carry filter at a good price.
Marriot2 on Wheels 2017 Flagstaff Classic 832 OKBS
2013 GMC Denali 6.6L 2500 HD DMAX w\Alison Trans
Pepper Pomeranian rescue 101 days as camping buddy
Days camped in FR, 2011 = 20, 2012 = 57, 2013 = 59
... 2014 = 39, 2015 = 52, 2016 = 68, 3 more planned