Engine Oil Pressure
Indicates an issue with the engine oil pressure sensor or oil pressure itself.
Heads up: this code wasn't in our hand-written library yet, so DiagCoach AI built this page on the fly. Double-check critical specs against service info before condemning parts.
What it means (plain English)
The engine oil pressure sensor is trying to read the pressure in the oil system but either the pressure is too low or the sensor is faulty.
What the computer is actually seeing
The ECM sees a voltage reading from the oil pressure sensor that's out of the normal range, typically below 7 psi or above 103 psi.
What a healthy reading looks like
Normal oil pressure should be between 20 to 60 psi when the engine is running at idle, increasing with RPMs.
Guided diagnostic — the DiagCoach way
Don't just throw parts at it. Walk through these in order — each step tells you whether to keep going or stop and fix what you found.
- 11. Check the engine oil level and condition. Top off or change oil as needed.
- 22. Inspect the oil pressure sensor wiring and connector for damage or corrosion.
- 33. Using a mechanical gauge, check the actual oil pressure at the engine. It should match expected values (20-60 psi).
- 44. If the pressure is low, check for oil leaks, the oil pump function, and oil filter condition.
- 55. If pressure is normal but the code persists, replace the oil pressure sensor.
Common causes
- Low oil level due to leaks or consumption
- Faulty oil pressure sensor
- Oil pump failure
- Oil viscosity too low for current temperature
- Blocked oil passages
Typical repair cost
$$$
Related codes
Frequently asked questions
Is it safe to drive with this code?
No, it's not safe to drive if there's a risk of low oil pressure; engine damage can occur.
What happens if I ignore this code?
Ignoring this code could lead to severe engine damage due to low oil pressure.
Will this code come back after clearing?
It may return if the underlying issue isn't fixed, such as a faulty sensor or oil pressure problem.
Working a real vehicle right now?
Let DiagCoach walk you through it live with your specific symptoms, vehicle, and what you've already checked.
Start guided diagnostic →