Testing a 6.0 Powerstroke ICP Sensor is an important step in maintaining and diagnosing any issues with your vehicle. The ICP sensor monitors the pressure inside the high-pressure oil system and can be used to diagnose problems such as air leaks, fuel delivery problems, or incorrect injector timing. To test the ICP sensor, you will need to use an ohmmeter or multimeter to measure continuity between two wires connected to the sensor. Start by disconnecting the harness from the engine that connects to the ICP Sensor and locate two pins on it that correspond with your meter’s terminals. Once you have found them, connect one pin of your meter's terminal leads into each pin of the harness plug until they make contact with metal rather than plastic insulation material; then set your meter for resistance (ohms) testing mode if necessary before proceeding further. Next, turn on your key switch so that power is supplied to all related sensors but do not start up engine yet; this will allow you check for continuity between those two pins which should register a value of 0-10 ohms if everything is working properly at this point in time. If readings are outside this range then further diagnosis may be required - possibly involving replacement of affected components like fuel pumps or injectors - before operation can continue safely without risk of damage occurring due to improper functioning parts within your system!