Sputtering/jurking highway speed

My truck has like a jurking sensation around 55 under lite throttle. If i wot or stay under 45 its fine. also at certain rpms like 2500 range it sounds like injector noise is louder for some reason. It has no codes, all vitals look ok, my fuel is 70 psi, just had injectors gone through so its not them. Ficm is 48-49. It has done this right after i rebuilt the truck so i suspect a bad sensor but where do i start. Zf6 btw.

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What's your HPOP doing pressure wise? If your HPOP pressure in fluctuating while your engine is under load you can get a jerking sensation

What would cause that? Also my vgt is only like 34 at idle. I heard it was supposed to be 60-70.

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As suggested, monitor ICP pressure and volts and IPR% duty cycle.

My bet is on the IPR valve (but live engine data is important for proper troubleshooting)