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VERY late update. With the TSB now covering my year, I took it in to the dealer. https://static.nhtsa.gov/odi/tsbs/2019/MC-10170730-9999.pdf Had code P1604 and the alcohol % was 78.04%. Truck had a combo of alcohol free from the prevous fill up and E10 from the current top off. I even made...

Yep.

It's a 17. The TSB does not apply as that is only through the 15s. You'd assume the TSB flash is already applied to the 17s. I have 11k on it. And if this turns into a thing, I can't attempt to lemon it since Colorado lemon law only works for problems that start within the first year ...

Original owner purchased new in May of 17. Was fine until about this summer when we were camping (i had forgotten it first started 6 months ago) and it did the two full start cycles to get it to start. Didn't think much of it as I had gassed up at a rural gas station and the truck had sat in the...

Nope. 2017 5.7 FFV... 11k miles. Never had a drop of E85. Been doing this on and off for 3 months. Thought it was bad fuel but then I started googling and found lots of problems on older models. Surprised to see my 17 is affected. Haven't read the ODBC alcohol percentage yet but I bet it's not...