i got a new ipr an lookingin the oil pump end theres a small spring with a screw n the middlie . is this a pressure adjustment for the valve or what any body no. I have a 97 powerstroke that when i start it cold idels fine as engine warms it starts to miss . I have changed everything i mean everything but ipr and map sensor open to any other ideas my brains bout fried !!!!

 

Sorry, but I don't think anyone has any idea what you just said.