P0199 Code - Engine Oil Temperature Sensor Intermittent
Quick Answer
The P0199 code indicates that there is an intermittent issue with the engine oil temperature sensor. Common causes include Faulty engine oil temperature sensor, Loose or corroded sensor wiring or connections, Electrical issues within the sensor circuit. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0199 indicates Engine Oil Temperature Sensor Intermittent.
- Common causes
- Common causes include Faulty engine oil temperature sensor, Loose or corroded sensor wiring or connections, Electrical issues within the sensor circuit.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P0199 Description
The P0199 code indicates that there is an intermittent issue with the engine oil temperature sensor. This sensor is responsible for monitoring the temperature of the engine oil, which is crucial for ensuring optimal engine performance and longevity. When the sensor detects irregularities or malfunctions, it can lead to various problems within the vehicle's systems.
Common Causes of P0199
- Faulty engine oil temperature sensor
- Loose or corroded sensor wiring or connections
- Electrical issues within the sensor circuit
- Engine overheating causing sensor malfunction
- Contaminated engine oil affecting sensor performance
Symptoms of P0199
- Check engine light illuminated on the dashboard
- Inaccurate engine temperature readings on the gauge
- Engine running too hot or too cold
- Decreased fuel efficiency
- Engine performance issues
How to Fix P0199
- Begin by connecting a diagnostic scanner to the vehicle's OBD-II port to retrieve the specific trouble code and confirm the issue.
- Inspect the engine oil temperature sensor, wiring, and connections for any visible damage, corrosion, or loose connections.
- Test the sensor's resistance and voltage to determine if it is functioning within the manufacturer's specifications.
- If the sensor is faulty, replace it with a new, OEM-quality sensor and ensure proper installation.
- Clear the trouble code from the vehicle's computer memory and test drive the vehicle to verify that the issue has been resolved.
Cost to Fix P0199
The cost of repairing an engine oil temperature sensor intermittent issue can vary depending on the make and model of the vehicle, the location of the repair shop, and the cost of parts and labor. On average, the repair cost for this issue can range from $150 to $300, including parts and labor. It is advisable to contact local auto repair shops for accurate estimates based on your specific vehicle and location. Keep in mind that diagnostic time and labor rates can also impact the overall cost of the repair.
Need more information about the P0199 code?
Need more information on how to fix the P0199 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0199 code diagnosed by a professional: Find a repair shop in your area
Code P0199 Information for Specific Makes
- P0199 Mercedes-Benz — Engine Oil Temperature Sensor Intermittent
Frequently Asked Questions about P0199 Code
No Frequently Asked Questions about P0199 Code found.
Discuss the causes and fixes for P0199 OBDII Code
Code P0199 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.