Engine starte to buck once it warms up. Only on acceleration. Hige loss of power. Im not getting any check engine warning. I have clean air filter, I only use sunoco gas. Ive had the truck for 1 year so Im not sure when or if the plugs were ever changed. I am going to change the fuel filter but I dont think that is the problem. I previously had a Dakota 5.2L that did the same thing and never could get it fixed. Any guidance would be greatly appreciated!

 

And this is posted in the 2009-2011 section because?