How to Rebuild the IPR on 7.3L Power Stroke Diesel
7.3 Powerstroke IPR General Info: A Power Stroke engine utilizes an electromagnetic spool valve, to regulate the HP oil pressure on the engine to tailor the injection characteristics of the injectors. This valve is called the Injection Pressure Regulator or IPR. In the 7.3 Power Stroke engine, pressure control in the injector control pressure system…