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[DRhodes]

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This might be a long shot, but... how much oil do you have in it? Some of the surging problems is a result of oil foaming due to an overfull condition. Many of the oil lube places put bak in 15qts, not realizing that the the HPOP hold onto a quart during drain.

If you're at the top of the dipstick ON LEVEL GROUND, drain a quart, or so to get it right in the middle of the bulb, & try it like that.

Good luck!

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Alright I really got to ask because if what you say is true it may solve a lot of problems.
I too have had the surging/bucking and stalling problems. The problem appeared about 1000 miles after my first oil change. The truck just died after about a 180 mile drive. I stopped at a rest stop and left the truck idling while I used the bathroom. Got back in started to head out and it died. No codes and no other problems the rest of the weekend. About 2 weeks later I was heading to Montana and felt a slight buck and surge about 30 minutes into the trip. Thought it was my imagination. Pulled into a motel in Vegas and it starts surging and stalling really bad while idling through the parking lot. Let it sit for about 20 minutes and poof problem gone, until I reached Barstow on my way home. The only time I had problems was at idle speed and only after the engine was well warmed up. Dealer replaced wiring harness (Could not duplicate problem)also did oil change after Montana trip. Only drove it for 2 weeks and took it back for trans recall. The day after I got it back strange knock and headed back to the dealer. While en-route the surging/bucking and stalling began again. Now I have a new engine due to knocking and the Tech believes this will also take care of the surging/stalling issue, because of all new components.
I did notice the oil level appeared to be at the top of the plastic on the dipstick after the oil changes, which is higher than it was before. It would be interesting to see if this was the cause.
FYI, my truck had about 6,000 miles on it when it started and now has 10,600. New engine has about 100 miles on it.