OBD-II code · Powertrain (generic)
P0298 Engine Oil Over Temperature
Engine oil temperature exceeded the safe maximum. Risk of oil breakdown and bearing damage.
Is it safe to drive with P0298?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyOil cooler failure or low oil level
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–6 h
- Emissions test
- Usually unaffected
- Parts involved
- Oil Temp Sensor, Oil Cooler
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.