P1183
Engine Oil Temperature Sensor Circuit Malfunction
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
- Corroded contacts or damaged wiring
- Engine ECU malfunction
How to Fix
- Check the condition of the oil temperature sensor
- Inspect the sensor circuit for damage
- Check connectors and contacts for oxidation
- Test sensor resistance
- Replace the oil temperature sensor if necessary