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P0119 2012 Ford Fusion Code - Engine Coolant Temperature Sensor 1 Circuit Intermittent

Quick Answer

The P0119 diagnostic trouble code (DTC) for a 2012 Ford Fusion indicates an issue with the Engine Coolant Temperature (ECT) Sensor 1 Circuit being intermittent. Common causes include Faulty ECT sensor, Wiring or connector issues in the ECT sensor circuit, Corrosion or damage to the ECT sensor connector. 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 2012 Ford Fusion indicates Engine Coolant Temperature Sensor 1 Circuit Intermittent.
Common causes
Common causes include Faulty ECT sensor, Wiring or connector issues in the ECT sensor circuit, Corrosion or damage to the ECT sensor connector.
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 16, 2024
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Code P0119 2012 Ford Fusion Description

The P0119 diagnostic trouble code (DTC) for a 2012 Ford Fusion indicates an issue with the Engine Coolant Temperature (ECT) Sensor 1 Circuit being intermittent. The ECT sensor is a crucial component of the engine management system, as it measures the temperature of the engine coolant. This information is used by the engine control module (ECM) to adjust fuel delivery and ignition timing, ensuring optimal performance and efficiency.

OBDII Code P0119 2012 Ford Fusion - Engine Coolant Temperature Sensor 1 Circuit Intermittent
P0119 2012 Ford Fusion Code - Engine Coolant Temperature Sensor 1 Circuit Intermittent

Common Causes of P0119 2012 Ford Fusion

  1. Faulty ECT sensor.
  2. Wiring or connector issues in the ECT sensor circuit.
  3. Corrosion or damage to the ECT sensor connector.
  4. ECM software or hardware issues.
  5. Coolant leaks affecting the ECT sensor.

Symptoms of P0119 2012 Ford Fusion

  1. Check engine light illuminated on the dashboard.
  2. Inaccurate or fluctuating temperature gauge readings.
  3. Engine running rough or stalling.
  4. Decreased fuel efficiency.
  5. Potential overheating issues.

How to Fix P0119 2012 Ford Fusion

  1. Begin by locating the ECT sensor on the engine (usually near the thermostat housing).
  2. Inspect the wiring and connector for any visible damage or corrosion.
  3. Test the ECT sensor using a multimeter to check for proper resistance values.
  4. Replace the ECT sensor if it fails the resistance test.
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0119 2012 Ford Fusion

The cost of repairing an intermittent ECT sensor 1 circuit on a 2012 Ford Fusion can vary depending on the specific cause of the issue. In general, the price range for parts such as a new ECT sensor can be between $20 to $50. Labor costs at auto repair shops typically range from $80 to $150 per hour. The total repair cost, including parts and labor, could range from $100 to $300. It is advisable to consult with a local auto repair shop for a more accurate estimate based on your location and vehicle specifics.

What does this mean?

Tech Notes for P0119 2012 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 2012 Ford Fusion Code

1. What are the common symptoms of OBDII code P0119 on a 2012 Ford Fusion?

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

2. What does the OBDII code P0119 indicate on a 2012 Ford Fusion?

- OBDII code P0119 indicates an intermittent issue with the Engine Coolant Temperature Sensor 1 Circuit, which monitors the temperature of the engine coolant.

3. What are the possible causes of OBDII code P0119 on a 2012 Ford Fusion?

- Possible causes include a faulty coolant temperature sensor, damaged wiring or connectors, low coolant levels, a stuck thermostat, or issues with the engine control module.

4. How can I diagnose the Engine Coolant Temperature Sensor 1 Circuit Intermittent issue on my 2012 Ford Fusion?

- Diagnosis involves using an OBDII scanner to read the code, testing the coolant temperature sensor with a multimeter, inspecting the wiring and connectors for damage, and checking the coolant level and thermostat.

5. Can I continue driving my 2012 Ford Fusion with OBDII code P0119 present?

- It is not recommended to drive with OBDII code P0119 present, as it can lead to engine overheating, potential damage, and reduced performance. It is best to address the issue promptly.

6. How do I repair OBDII code P0119 on my 2012 Ford Fusion?

- Repair options include replacing the coolant temperature sensor, repairing or replacing damaged wiring or connectors, topping up coolant levels, or addressing any underlying issues causing the fault.

7. Can a DIY enthusiast fix OBDII code P0119 on a 2012 Ford Fusion?

- Depending on your skill level and access to tools, DIY enthusiasts can attempt to fix OBDII code P0119 by following repair guides, but professional assistance may be needed for more complex issues.

8. Will resetting the OBDII code P0119 on my 2012 Ford Fusion make it go away permanently?

- Resetting the code may temporarily clear the check engine light, but if the underlying issue causing OBDII code P0119 is not addressed, the code is likely to reappear.

9. How long does it typically take to repair OBDII code P0119 on a 2012 Ford Fusion?

- The repair time can vary based on the exact cause of the code, but in general, it may take anywhere from 30 minutes to a few hours to diagnose and fix the issue.

10. Is it necessary to visit a dealership for repairs related to OBDII code P0119 on a 2012 Ford Fusion?

- While visiting a dealership is an option, independent mechanics and automotive repair shops are also capable of diagnosing and repairing OBDII code P0119 on a 2012 Ford Fusion at a potentially lower cost.

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