Rough idle after fill up.

[StrokeKahuna]

My "08" F-350 Started with a very rough idle and lots of blue/gery smoke. This happened right after a fill up. No power and can not rev up. Check engine light on of course. Yes it was filled with Diesel fuel. Had it towed to dealer. Any ideas?

[SD350]

Was there a tanker truck delivering fuel? If so there could be water in your fuel, they tend to stir up the water that sits in the bottom of the tanks.
I always avoid filling up if there is a fuel truck there.

Just a thought, not sure if thats the issue but it would be an easy fix. Good luck

[SD350]

And by the water stirring up im talking about the supply tanks at the station.

[StrokeKahuna]

No tanker. I am in Az so no weird weather or undue moisture. Filters were changed maybe 500 miles ago. Only mods are a Banks intake.

[MahdeyS]

bad fuel i suppose.

[StrokeKahuna]

It happened right at start up. Tank was not empty. How could bad fuel mix with what was inline?

[caldwcj]

Same thing happened to me a couple of weeks ago. It was a bad EGR valve. Luckly it was covered under the emissions warranty. They said if it was not covered under warranty it would have been ~$400. Good luck.

[blackcloud2k]

Drain your fuel water sep and see how much water is in the fuel. If it happened right at start up its hard to believe that it flushed the lines that fast but its worth knowing. I would agree though with what was said, good chance it is a bad egr... It probably went out while you were driving and then when you shut the truck off it cycled the egr and realized it was bad...

[sinner6.0L]

hopefully you didn't get a tank full of gas. stations can **** up, unfortunately i've seen it before and the results will not be good with a 6.4. i always smell the nozzle before i fill up

[StrokeKahuna]

Well it's in the dealers hands now. Thanks for all the ideas. I did check the fuel sep and very small amount of water before fuel. 53k + extended, should be covered. Still hope it's nothing major.