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Engine-Codes – Ford – P0119 2009 Ford Fusion

P0119 2009 Ford Fusion Code - Engine Coolant Temperature Sensor 1 Circuit Intermittent

Quick Answer

The P0119 code on a 2009 Ford Fusion indicates a problem with the Engine Coolant Temperature Sensor 1 Circuit being intermittent. Common causes include Faulty engine coolant temperature sensor, Damaged or corroded sensor wiring, Loose or poor electrical connections. 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
P0119 2009 Ford Fusion indicates Engine Coolant Temperature Sensor 1 Circuit Intermittent.
Common causes
Common causes include Faulty engine coolant temperature sensor, Damaged or corroded sensor wiring, Loose or poor electrical connections.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 06, 2024
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Code P0119 2009 Ford Fusion Description

The P0119 code on a 2009 Ford Fusion indicates a problem with the Engine Coolant Temperature Sensor 1 Circuit being intermittent. This sensor is responsible for monitoring the temperature of the engine coolant and sending this information to the engine control module (ECM) for proper fuel delivery and ignition timing. An intermittent issue with this sensor can lead to incorrect temperature readings being sent to the ECM, which can result in poor engine performance, reduced fuel efficiency, and potential overheating.

OBDII Code P0119 2009 Ford Fusion - Engine Coolant Temperature Sensor 1 Circuit Intermittent
P0119 2009 Ford Fusion Code - Engine Coolant Temperature Sensor 1 Circuit Intermittent

Common Causes of P0119 2009 Ford Fusion

  1. Faulty engine coolant temperature sensor
  2. Damaged or corroded sensor wiring
  3. Loose or poor electrical connections
  4. ECM software issues
  5. Coolant leakage affecting sensor readings

Symptoms of P0119 2009 Ford Fusion

  1. Check engine light illuminated on the dashboard
  2. Inaccurate temperature gauge readings
  3. Engine running too hot or too cold
  4. Poor fuel economy
  5. Engine stalling or rough idling

How to Fix P0119 2009 Ford Fusion

  1. Begin by diagnosing the issue using a scan tool to verify the P0119 code and checking the sensor's wiring and connections.
  2. Inspect the engine coolant temperature sensor for any signs of damage or corrosion. Replace the sensor if necessary.
  3. Check and repair any damaged wiring or connectors related to the sensor.
  4. Clear the diagnostic trouble codes from the ECM and reset the system.
  5. Test drive the vehicle to verify that the issue has been resolved and ensure proper temperature readings.

Cost to Fix P0119 2009 Ford Fusion

The typical repair cost for resolving the P0119 code on a 2009 Ford Fusion can vary depending on the specific cause of the issue. Parts such as a new engine coolant temperature sensor can range from $20 to $50, while labor costs can range from $80 to $150 per hour. Additional costs may include diagnostic time and any other necessary repairs. Overall, the total cost may range from $100 to $300, but it's advisable to check with local auto repair shops for a more accurate estimate.

What does this mean?

Tech Notes for P0119 2009 Ford Fusion

Start by checking for coolant leaks, if there are not leaks the thermostat might be stuck open or closed and may need to be replaced, you still have an issue the engine coolant temp sensor or cylinder head temp sensor.

When is the Code Detected?

The Engine Control Module (ECM) detected an erratic signal from the engine Coolant Temperature (ECT) sensor during the system monitor test

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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 P0119 2009 Ford Fusion Code

1. What are common symptoms of OBDII code P0119 in a 2009 Ford Fusion?

- Common symptoms include sporadic temperature gauge readings, engine overheating, poor fuel efficiency, and potential stalling or rough idling.

2. What does the OBDII code P0119 indicate for a 2009 Ford Fusion?

- The code P0119 for a 2009 Ford Fusion signifies an intermittent issue with the Engine Coolant Temperature Sensor 1 Circuit.

3. What are the possible causes of OBDII code P0119 in a 2009 Ford Fusion?

- Potential causes include a faulty coolant temperature sensor, damaged sensor wiring or connectors, low coolant levels, or issues with the vehicle's cooling system.

4. How can I diagnose the Engine Coolant Temperature Sensor 1 Circuit issue in my 2009 Ford Fusion?

- Utilize an OBDII scanner to retrieve the specific fault code, visually inspect the sensor and its connections for damage, and test the sensor's resistance with a multimeter.

5. Can I continue driving my 2009 Ford Fusion with OBDII code P0119 present?

- It is not recommended to drive the vehicle with an intermittent coolant temperature sensor issue, as it can lead to engine damage or overheating.

6. Is it possible to reset the OBDII code P0119 in a 2009 Ford Fusion without repairing the issue?

- While clearing the code may temporarily turn off the check engine light, the underlying problem with the coolant temperature sensor should be addressed to prevent further issues.

7. Are there any DIY repair tips for fixing OBDII code P0119 in a 2009 Ford Fusion?

- DIY repair tips include checking and cleaning sensor connections, ensuring proper coolant levels, and replacing the sensor if necessary following manufacturer guidelines.

8. How much does it typically cost to repair OBDII code P0119 in a 2009 Ford Fusion at a mechanic or dealership?

- The cost of repairing OBDII code P0119 can vary depending on the exact cause, but it may range from $100 to $300 for parts and labor at a mechanic or dealership.

9. Can a faulty Engine Coolant Temperature Sensor affect other systems in a 2009 Ford Fusion?

- Yes, a malfunctioning coolant temperature sensor can impact engine performance, fuel efficiency, emissions, and the vehicle's overall drivability.

10. How often should the Engine Coolant Temperature Sensor be replaced in a 2009 Ford Fusion as part of regular maintenance?

- The coolant temperature sensor typically does not have a specific replacement schedule, but it is recommended to replace it if issues arise or during major engine services for optimal performance.

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