P1184
Engine Oil Temperature Out Of Self Test Range
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)
Symptoms
- Check Engine Light Is On
- Unstable engine operation
- Reduced engine power
- Increased fuel consumption
- Incorrect oil temperature readings on the dashboard
Causes
- Malfunction of the engine oil temperature sensor
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Low engine oil level
- Engine ECU malfunction
How to Fix
- Check the level and condition of the engine oil
- Check the continuity of the oil temperature sensor circuit
- Check sensor connectors and connections
- Replace the engine oil temperature sensor if necessary
- Test and, if necessary, replace the engine ECU