AutoCodes – Ford – P0197 2009 Ford Fusion

P0197 2009 Ford Fusion Code - Engine Oil Temperature Sensor Low

Quick Answer

The Powertrain Control Module (PCM) monitors the Engine Oil Temperature (EOT) Sensor. Common causes include Faulty Engine Oil Temperature sensor, Engine Oil Temperature sensor harness is open or shorted, Engine Oil Temperature sensor circuit poor electrical connection. 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: P0197 2009 Ford Fusion indicates Engine Oil Temperature Sensor Low.
Common causes: Common causes include Faulty Engine Oil Temperature sensor, Engine Oil Temperature sensor harness is open or shorted, Engine Oil Temperature sensor circuit poor electrical connection.
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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 1,811

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 20, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P0197 2009 Ford Fusion Description

The Powertrain Control Module (PCM) monitors the Engine Oil Temperature (EOT) Sensor. The PCM sets the Diagnostic Trouble Code (DTC) when the Engine Oil Temperature Sensor is not to factory specifications. Indicates Engine Oil Temperature signal voltage is low (high temperature).

OBDII Code P0197 2009 Ford Fusion - Engine Oil Temperature Sensor Low - AutoCodes.com — P0197 2009 Ford Fusion Code - Engine Oil Temperature Sensor Low

What does this mean?

What are the Possible Causes of the DTC P0197 2009 Ford Fusion?

Faulty Engine Oil Temperature sensor
Engine Oil Temperature sensor harness is open or shorted
Engine Oil Temperature sensor circuit poor electrical connection

How to Fix the DTC P0197 2009 Ford Fusion?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0197 2009 Ford Fusion code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0197 2009 Ford Fusion code?

Need more information on how to fix the P0197 2009 Ford Fusion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0197 2009 Ford Fusion code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0197 2009 Ford Fusion Code

1. What are the common symptoms of OBDII code P0197 on a 2009 Ford Fusion?

The common symptoms include the Check Engine light coming on, poor fuel efficiency, rough idling, and potential issues with engine performance.

2. What does the OBDII code P0197 on a 2009 Ford Fusion indicate?

P0197 indicates a low engine oil temperature sensor reading, which could lead to incorrect fuel delivery and affect the engine's performance.

3. What are the possible causes of OBDII code P0197 on a 2009 Ford Fusion?

Possible causes include a faulty engine oil temperature sensor, wiring issues, low engine oil level, or a malfunctioning engine control module (ECM).

4. How can I diagnose the cause of OBDII code P0197 on my 2009 Ford Fusion?

Diagnosing the issue may involve checking the engine oil level, inspecting the wiring to the temperature sensor, testing the sensor's resistance, and scanning the ECM for any related error codes.

5. Can I continue driving my 2009 Ford Fusion with OBDII code P0197?

It is not recommended to drive with this code unresolved, as it may lead to poor engine performance and potential damage if the issue is related to incorrect fuel delivery.

6. How can I repair OBDII code P0197 on a 2009 Ford Fusion?

Repairing the issue may involve replacing the engine oil temperature sensor, repairing or replacing any damaged wiring, ensuring the engine oil level is correct, and clearing the error code with a diagnostic tool.

7. Can a DIY enthusiast fix OBDII code P0197 on a 2009 Ford Fusion?

Depending on your mechanical skills and access to tools, you may be able to replace the engine oil temperature sensor yourself. However, diagnosing wiring issues or other underlying causes may require professional assistance.

8. How much does it cost to repair OBDII code P0197 on a 2009 Ford Fusion?

The cost of repair can vary depending on the underlying cause, but replacing the engine oil temperature sensor can range from $100 to $200, including parts and labor.

9. Will resetting the Check Engine light resolve OBDII code P0197 on a 2009 Ford Fusion?

Resetting the light without addressing the underlying issue will not fix the problem. It is essential to diagnose and repair the cause of the OBDII code to prevent further issues.

10. How often does OBDII code P0197 occur in 2009 Ford Fusion vehicles?

While this code may not be as common as some others, issues with the engine oil temperature sensor can still occur in 2009 Ford Fusion vehicles, especially as they age. Regular maintenance and inspections can help prevent such issues.