Oil Pressure Sensor Inspection - 2.3L

Remove the oil pressure switch.
Screw oil pressure gauge SST into the oil pressure switch installation hole.

Fig 1: Installing Oil Pressure Gauge To Engine
Courtesy of MAZDA MOTORS CORP.
Run the engine at 2000 RPM and note the engine readings.
If pressure is not within specification (40-60 psi, 276-413 kpa, 2.8-4.2 kgf/cm ² ), see ENGINE IGNITION SPECIFICATIONS - 2.3L , for further diagnosis.
Apply sealant to oil pressure switch threads.
Remove oil pressure gauge SST and install switch.
Tightening torque

11-24 N.m {1.1-2.4 kgf.m, 8-18 ft.lbf}