Oil Pressure Sensor: Description and Operation

Engine, 5.7LILubricationSENSOR, Oil Pressure/Description

DESCRIPTION

The oil pressure sensor uses the following three circuits:
^ Signal circuit to the PCM
^ Sensor ground circuit through the PCM
^ 5 volt reference circuit from the PCM

The oil pressure sensor returns a voltage signal back to the PCM with reference to oil pressure. Ground for the sensor is supplied by the PCM.

The oil pressure sensor is located on the right side of the engine block. The sensor screws into the engines main oil gallery.