P0199
Engine Oil Temperature Sensor A Circuit Intermittent/Erratic
P0199 is an OBD-II diagnostic trouble code meaning: Engine Oil Temperature Sensor A Circuit Intermittent/Erratic. Common causes: faulty oil temperature sensor, open or short circuit in the sensor circuit. Estimated repair cost: $56–167.
Symptoms
- Unstable idle speed
- Increased fuel consumption
- Check Engine Light Illuminates
- Deterioration of vehicle dynamics
Causes
- Faulty oil temperature sensor
- Open or short circuit in the sensor circuit
- Poor contact in sensor circuit connectors
- Engine control unit (ECU) malfunction
How to Fix
- Check the continuity of the oil temperature sensor circuit
- Check sensor connections and connectors
- Replace the oil temperature sensor if necessary
- Check the operation of the engine control unit
Related codes
Error P0199 by Vehicle Brand
FAQ
What does the P0199 code mean?
P0199 is an OBD-II diagnostic trouble code that indicates: Engine Oil Temperature Sensor A Circuit Intermittent/Erratic
What causes a P0199 error code?
The most common causes of P0199 include: Faulty oil temperature sensor; Open or short circuit in the sensor circuit; Poor contact in sensor circuit connectors; Engine control unit (ECU) malfunction.
How do I fix a P0199 diagnostic trouble code?
To fix P0199: Check the continuity of the oil temperature sensor circuit. Check sensor connections and connectors. Replace the oil temperature sensor if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0199?
Limited driving only, diagnose soon
How much does it cost to fix P0199?
The estimated repair cost for P0199 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat