When driving down the road the truck will stall the water in gas light will come on along with the glow plug light and the truck will then restart. It does this sometimes when taking off also. I am ussing fuel additive for gelling and water, which makes a huge difference in the way the truck runs. I have had the truck for about 2 months didn't do this in the begging, I have changed the fuel and water separator filers.

 

This should probably be in the 6.0 forum, I'm sure a mod will move it there.

Was there water in the water separator?