Oil Pressure Sender: Testing and Inspection

OIL PRESSURE SWITCH INSPECTION
1. Verify that the oil pressure gauge needle moves to H when the engine is started.
2. Verify that the oil pressure gauge needle moves to L when the engine is stopped.
3. If the oil pressure gauge needle does not move, inspect the oil pressure gauge and related wiring harness.
4. If the oil pressure gauge and related wiring harness are normal, inspect the oil pressure.
5. If the oil pressure is normal, replace the oil pressure switch.