04 6.0L F250 4x4 with 48,000 miles.

I clean the turbo 4 months ago and has been running good with about 1,000 since cleaning. Towing a travel trailer last weekend and it start popping back in the intake at a steady 60 mph when I let off the throttle and hit it again it would run good for a couple of miles and do it again running at a steady 60 mph. I was in tow/haul mode and fighting a stiff head wind. Once home backing the trailer around it was rough/romp idle. Drove today no load and runs Ok, but idle is a little rough. Only code I could pull is PF3334 and can't find what the code is? Only be reflashed once and that was in 05.

Any help?

Thanks,
Brian

 

I'm thinking I might have a bad EBP sensor. I cleaned it when I cleaned the turbo.

 

No such thing as a PF3334 code. I'm not sure what code reader you are using but it could very well be just a "trash" code. Sounds like the EGR and turbo need cleaning. 48K miles on an 04 indicated low mileage and probably the turbo condition known as "lot rot" where the turbo veins rust up from lack of use. It would NOT hurt to take the truck and have the latest flash installed.