OBD-II code · Powertrain (generic)
P055F Engine Oil Pressure Out of Range
The measured oil pressure is far outside the expected range for current engine speed and oil temperature - either too low (oil pump weak, oil level low, bearing wear) or anomalously high (relief valve stuck closed, blocked oil cooler).
Is it safe to drive with P055F?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyOil pump worn or oil level low
- PossiblePressure relief valve stuck
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–8 h
- Emissions test
- Usually unaffected
- Parts involved
- Oil Pump, Oil Pressure Sensor A, Oil Relief Valve
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.