Low Oil Pressure Indicator Stays On

Low oil pressure indicator stays on

Check the engine oil level.

Do the low oil pressure indicator circuit troubleshooting (Short) procedure Low Oil Pressure Indicator Circuit Troubleshooting - Short.

Test the oil pressure switch Testing and Inspection.

Check the engine oil pressure Testing and Inspection.

Check the oil filter for clogging.

Check the oil screen for clogging.

Check the relief valve.

Inspect the oil pump Service and Repair.

Also check for

A wire shorted to ground between the engine control module (ECM)/powertrain control module (PCM) and the oil pressure switch