9 Common Problems With 7.3 Power Stroke Diesel Engines Injection Pressure Regulator (IPR) Valve, located in the valley on the High Pressure Oil Pump Injector Driver Module (IDM), located on drivers side fender. These can go bad or get damaged Cam Position Sensor (CMP). Can cause the engine to cut out and eventually die. Making it not Under Valve Cover Harness (UVCH) Connectors, when these come loose or get shorted they can See all full list on dieseliq 7.3 Powerstroke STARTER UPGRADE - Dead Head Diesel This 7.3 Powerstroke starter upgrade I discovered on Amazon will turn your diesel engine over like a 300 pound gorilla!. After upgrading to this high torque starter, the first time I cranked over my 2002 Ford F250 Powerstroke I thought it was going to break something.
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