What does code P0198 mean?
High signal detected from the engine oil temperature sensor indicating excessive oil temperature
OBD-II Code
P0198 — Engine Oil Temperature Sensor High Input
High signal detected from the engine oil temperature sensor indicating excessive oil temperature
Common symptoms
- Overheating
- power loss
- high risk of engine damage
Possible causes
- Damaged sensor
- very low oil level
- lubrication system failure
Initial recommendation
Check oil level, oil pressure and sensor operation.
Safety notice
This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine code P0198 with your vehicle's actual symptoms for more complete diagnostic guidance.
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