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I wnat to make sure that the icm is bad before i pay the price$$$$.this motor has a slow down mode that comes on now and then sometimes after 15min of running,but not always.the thermostate has been checked it is ok, the oil sender is working ok and the oil pressure is what it should be and the temp sensor checkes ok but even with the sensor disconected the slow down mode will come on now and then. So is there anything else to check if not is there anyway to disable the slow down mode.