P0198 Infiniti Code - Engine Oil Temperature Sensor Circuit High Input
Quick Answer
The P0198 code in an Infiniti vehicle indicates a problem with the engine oil temperature sensor circuit registering a high input. Common causes include Faulty engine oil temperature sensor, Wiring or connection issues in the sensor circuit, Engine overheating. 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
- P0198 Infiniti indicates Engine Oil Temperature Sensor Circuit High Input.
- Common causes
- Common causes include Faulty engine oil temperature sensor, Wiring or connection issues in the sensor circuit, Engine overheating.
- 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 P0198 Infiniti Description
The P0198 code in an Infiniti vehicle indicates a problem with the engine oil temperature sensor circuit registering a high input. The engine oil temperature sensor is responsible for monitoring the temperature of the engine oil, which is crucial for ensuring proper lubrication and engine performance. When the sensor detects a high input, it means that the engine oil temperature is higher than what is considered normal. This could be due to a malfunction in the sensor itself or issues with the wiring and connections in the sensor circuit.
Common Causes of P0198 Infiniti
- Faulty engine oil temperature sensor
- Wiring or connection issues in the sensor circuit
- Engine overheating
- Low engine oil level
- Engine coolant leaks
Symptoms of P0198 Infiniti
- Illuminated check engine light on the dashboard
- Inaccurate engine oil temperature readings on the gauge
- Engine running hotter than normal
- Reduced fuel efficiency
- Engine knocking or pinging noises
How to Fix P0198 Infiniti
- Diagnose the issue by using a scan tool to read the code and verify the high input reading from the engine oil temperature sensor.
- Inspect the sensor and its wiring for any visible signs of damage or corrosion. Replace the sensor if necessary.
- Check the engine oil level and quality, ensuring it is at the correct level and not contaminated.
- Test the cooling system to ensure proper functioning and address any overheating issues.
- Clear the diagnostic trouble codes and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0198 Infiniti
The cost of repairing a P0198 engine oil temperature sensor circuit high input code in an Infiniti can vary depending on the specific model and the extent of the issue. In general, the cost of replacing the sensor itself can range from $100 to $200, with additional costs for labor and any necessary diagnostic tests. Overall, the total repair cost for this issue could range from $200 to $500. It's important to note that labor rates and parts prices can vary significantly, so it's recommended to obtain quotes from multiple auto repair shops to ensure a competitive price.
Need more information about the P0198 Infiniti code?
Need more information on how to fix the P0198 Infiniti code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0198 Infiniti code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0198 Infiniti Code
No Frequently Asked Questions about P0198 Infiniti Code found.
Discuss the causes and fixes for P0198 Infiniti OBDII Code
-
Hi guys
I had my engine replaced on my 2013 Infinity G37 about 6mths ago by the dealer with only 70000 miles on the car, I have only driven the car about 500 miles since the motor was replaced. The other day while driving to my dissapointment the service engine soon light appeared. I brought the car to Auto Zone who read the coce as a P198, I then brought the car to Infinity dealer who reset the ecm , but the code came back..after driving about 10 miles. I am bringing back for service Sat, any ideas about what may be doing on and how concerned should I be over this ? -
Are there any other symptoms? engine noise?
I never had that problem before; my best guess is that they may have damage the wire from the sensor to the ECM during the engine installation. The sensor rarely goes bad, the only problem is that sometimes the sensor leaks, but no engine light.
If the engine oil level is OK and there are no other symptoms, then you shouldn't be concern, but the dealer has to fix the problem.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.