Checking Oil Pressure Sensor

SYMPTOM
* CHECKING THE OIL PRESSURE SENSOR

POSSIBLE CAUSES
- Oil press gauge reads < 4.0 PSI (engine cold)
- Oil pressure gauge reads < 4.0 PSI (engine warm)
- Oil pressure sensor defective (gauge full scale)
- Oil pressure sensor ground circuit open
- Oil pressure sensor signal circuit open
- Oil pressure sensor signal circuit shorted to ground
- Oil pressure gauge defective
- Oil pressure sensor defective (< 4.0 PSI)