bucking transmission

[mrcustom]

So here is a good one the dealers can't figure out......Just bought a 2002 F350 7.3 turbo diesel. Motor runs perfect, if you give it full gas, tranny runs perfect and shifts all gears great at correct points. If you barely give it gas like for a slow pull off, or if you let off the gas at higher speeds and/or rpms and give it just a little gas back, it starts to buck. It also seems to do it more as it gets warmer (trans temp wise). If you give it more gas, it stops. Tried 3 dealerships around here and no results.........any ideas?

 

[JRJ04]

something with the line pressure maybe? is there any tuner or chip on it that you know of? if so, have the pcm reflashed or deprogram it if can and try that.

 

[mrcustom]

no upgrades, no better.

Nope this thing is bone stock and as of saturday, it has gotten worse. it now does it a lot. this thing is pissing me off.