F 350 2WD Super Duty V8-7.3L DSL Turbo VIN F (1999)
Oil Pressure Switch (For Fuel Pump): Description and Operation
Fuel injection pressure is controlled by the injection control pressure (ICP) system.The ICP system consists of the following:
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Injection Control Pressure (ICP) sensor (located in the cylinder head oil gallery)
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Injection Pressure Regulator (IPR) located in the high-pressure oil pump
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Powertrain Control Module