Incredible Oil Pressure Sending Unit References. Web an oil pressure sender is a device that senses the oil pressure of an engine and transmits it to the engine or machine controller. Web the engine oil pressure sender/sensor is designed to measure the integrity of the engine lubrication system.
You can relocate the sending unit to the port near the fuel pump. It sends the oil pressure information to the car’s computer, which then controls the related lights and. If you plan to take your car to a mechanic for this replacement, expect to pay somewhere.