Low Oil Pressure Indicator Stays On
Low oil pressure indicator stays on
Diagnostic Procedure:
1. Check the engine oil level.
2. Do the low oil pressure indicator circuit troubleshooting (Short). Low Engine Oil Pressure Indicator Circuit Troubleshooting (Short)
3. Test the oil pressure switch. Testing and Inspection
4. Check the engine oil pressure. Testing and Inspection
5. Check the oil filter for clogging.
6. Check the oil screen for clogging.
7. Check the relief valve. Overhaul
8. Test the oil pump. Overhaul
Also check for:
- A wire shorted to ground between the ECM/PCM and the oil pressure switch