I'm no pro, but I had the same code along with a bunch of other ones when I had a little gelling issue. I had high rail pressure, an overboost code, a Map sensor code. All was well once I got the truck in the garage and warmed it up. I don't know if this is your issue, but it's an idea.
its possible that i wasnt warm i guess. i dont run an additive, but then again it was only 10 degrees and the fuel i get is pretty good, so im doubting it. but i do appreciate your response! anybody else?
Update: went to lunch, code was gone and it wasn't even stored...strange
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