7.3 powerstroke white smokes and engine stalls until i build high rpm.

[Fleming Powerstroke]

Hi i am new to this site and i need some help with my truck

I have a 99 powerstroke and qa couple of moths ago it started to white smoke when i start up but clears away after i drove like a half mile. but in the past week the white smokes while i drive it unless im in high rpm and the motor stall and misses. Ive checked for engine codes and it only throws the code P0275, but it has thrown that code before it acted up. I buzzed checked the injectors and they passed. About 8 months ago i put new injectors in it and it has ran fine til now. I keep the truck service and the fuel filter changed when needed. I have noticed in the past 1500 mile i have lost bout a quart of antifreeze. Im testing the compression tomorrow. i dont know where all to start on it.

[ZachBoyer]

Hows the Oil. You lost antifreeze. whered it go?

[Fleming Powerstroke]

Its hard to tell with the oil. i just changer it bout 1500 miles ago. I looks like fairly thick like it should be.