Engine Oil Pressure Sensor/Switch B Low

Common symptoms

What you'll notice

• Check the engine oil level and make sure it is at the recommended level.
• Inspect the engine oil pressure sensor/switch for any signs of damage or malfunctioning.
• Clean or replace the engine oil pressure sensor/switch if necessary.
• Verify the wiring connections to the engine oil pressure sensor/switch are secure and not loose or corroded.
• If all else fails, consider replacing the engine oil pressure sensor/switch altogether.

Common causes

Most likely first

1. Low engine oil level or insufficient oil pressure
2. Faulty or clogged engine oil pressure sensor
3. Wiring or connection issues with the engine oil pressure sensor
4. Engine oil pump failure or malfunction
5. Engine damage or wear leading to low oil pressure

How to diagnose & fix

Work through it in order

1. Engine oil warning light illuminates on the dashboard
2. Engine overheating or running hotter than normal
3. Engine misfires or runs rough
4. Decreased engine performance or power loss
5. Engine stalling or shutting off unexpectedly