Engine Oil Pressure Control Circuit High

Common symptoms

What you'll notice

• Check engine oil level and top up if necessary
• Inspect and clean engine oil pressure sensor
• Replace engine oil pressure sensor if cleaning does not resolve the issue
• Inspect and repair/replace damaged or faulty wiring in the engine oil pressure control circuit
• Check engine oil pump for any issues and repair/replace if necessary

Common causes

Most likely first

1. Faulty oil pressure sensor
2. Low engine oil level or oil pressure
3. Clogged or restricted oil passages
4. Faulty oil pump
5. Issues with the engine control module (ECM)

How to diagnose & fix

Work through it in order

1. Engine warning light illuminates on the dashboard
2. Loss of power or decreased engine performance
3. Engine overheating or high temperature
4. Engine stalling or misfiring
5. Decreased fuel efficiency