Cutlass V6-191 3.1L VIN M SFI (1998)
Oil Pressure Sensor: Description and Operation
Engine Oil Pressure Switch
The PCM monitors the Engine Oil Pressure Switch signal to determine if the engine oil pressure is OK. If the PCM determines that a low oil pressure
condition exists, the PCM will communicate the information over the class II circuit to the Instrument Panel Cluster (IPC) and it will illuminate the
indicator lamp.
