Originally Posted by diesel dave 99
Im thinking the thiner oil did not stay in the reavior and it drained out causing the issue.
+1, I was going to say check the oil. Maybe the place that changed it messed something up and the new oil drain out.
The 5w-40 the op is talking about is the rotella synthetic, appears some missed that. There is nothing wrong with the oil used.
The thing that gets me is that the truck was perfectly fine before the oil change. To me, this means that the oil level might be too low to allow the truck to start. I would at least check the oil level. I would also check the hpop reservoir to see if anything is in there like DDave has mentioned. I doubt that something major has just went out.
Ford is on crack for what they want. However Ford retail on new injectors is $2-3xx plus they go by the book on labor. They are also on crack for thinking all injectors have failed.
I'm still betting its something simple and possibly silly enough thats being overlooked.
I will be watching to see what the cause is.