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Engine-Codes – Ford – P0119 2008 Ford Fusion

P0119 2008 Ford Fusion Code - Engine Coolant Temperature Sensor 1 Circuit Intermittent

Quick Answer

The P0119 code for a 2008 Ford Fusion indicates an issue with the Engine Coolant Temperature Sensor 1 Circuit being intermittent. Common causes include Faulty Engine Coolant Temperature Sensor, Damaged or corroded wiring in the sensor circuit, 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 2008 Ford Fusion indicates Engine Coolant Temperature Sensor 1 Circuit Intermittent.
Common causes
Common causes include Faulty Engine Coolant Temperature Sensor, Damaged or corroded wiring in the sensor circuit, 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 14, 2024
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Code P0119 2008 Ford Fusion Description

The P0119 code for a 2008 Ford Fusion indicates an issue with the Engine Coolant Temperature Sensor 1 Circuit being intermittent. The Engine Coolant Temperature Sensor (ECT) is a crucial component that monitors the temperature of the engine coolant. This information is used by the engine control module (ECM) to adjust fuel delivery and ignition timing for optimal performance and efficiency. When the sensor detects that the circuit is intermittent, it means that there is a problem with the electrical connection or signal transmission between the sensor and the ECM.

OBDII Code P0119 2008 Ford Fusion - Engine Coolant Temperature Sensor 1 Circuit Intermittent
P0119 2008 Ford Fusion Code - Engine Coolant Temperature Sensor 1 Circuit Intermittent

Common Causes of P0119 2008 Ford Fusion

  1. Faulty Engine Coolant Temperature Sensor.
  2. Damaged or corroded wiring in the sensor circuit.
  3. Loose or poor electrical connections.
  4. ECM malfunction.
  5. Coolant leakage affecting sensor readings.

Symptoms of P0119 2008 Ford Fusion

  1. Check Engine Light illuminated on the dashboard.
  2. Fluctuating or inaccurate temperature gauge readings.
  3. Engine running hotter or colder than usual.
  4. Decreased fuel efficiency.
  5. Engine misfires or rough idling.

How to Fix P0119 2008 Ford Fusion

  1. Begin by diagnosing the issue using a scan tool to verify the P0119 code and check the ECT sensor's readings.
  2. Inspect the wiring and connectors in the ECT sensor circuit for any damage or corrosion. Repair or replace as needed.
  3. Test the ECT sensor's resistance and voltage to determine if it is functioning correctly. Replace the sensor if necessary.
  4. Clear the trouble code from the ECM's memory and test drive the vehicle to ensure the issue has been resolved.
  5. If the problem persists, further diagnostics may be required to identify any underlying ECM issues or other potential causes.

Cost to Fix P0119 2008 Ford Fusion

The typical repair costs for addressing a P0119 code on a 2008 Ford Fusion can range from $100 to $300, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnostic time and labor rates at auto repair shops can vary, with hourly rates typically ranging between $80 and $150. Factors such as location, vehicle make and model, and engine type can also influence repair costs. For a more accurate estimate, it is recommended to consult with local auto repair shops.

What does this mean?

Tech Notes for P0119 2008 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

Need more information about the P0119 2008 Ford Fusion code?

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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 2008 Ford Fusion Code

1. What are the common symptoms of OBDII code P0119 in a 2008 Ford Fusion?

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

2. What could cause the OBDII code P0119 to trigger in a 2008 Ford Fusion?

- The code P0119 usually triggers due to a faulty engine coolant temperature sensor, corroded connectors, wiring issues, or a malfunctioning PCM (powertrain control module).

3. How can I diagnose the Engine Coolant Temperature Sensor 1 Circuit Intermittent issue in my 2008 Ford Fusion?

- Use a multimeter to test the engine coolant temperature sensor for proper resistance values, check the wiring for any damage, and inspect the connectors for corrosion or loose connections.

4. Can a bad thermostat cause the OBDII code P0119 to appear in a 2008 Ford Fusion?

- While a faulty thermostat can affect engine temperature, it is not a direct cause of the P0119 code. Focus on checking the engine coolant temperature sensor and related components first.

5. What are the repair options for fixing the Engine Coolant Temperature Sensor 1 Circuit Intermittent problem in a 2008 Ford Fusion?

- Repair options include replacing the engine coolant temperature sensor, repairing damaged wiring or connectors, and resetting the fault codes using an OBDII scanner.

6. Is it safe to continue driving my 2008 Ford Fusion with the P0119 code illuminated?

- It is not recommended to drive the vehicle with the P0119 code active, as it can lead to potential engine overheating issues and further damage if left unresolved.

7. Can a DIY enthusiast fix the Engine Coolant Temperature Sensor 1 Circuit Intermittent problem in a 2008 Ford Fusion?

- Yes, some DIY enthusiasts with the necessary tools and skills can replace the engine coolant temperature sensor and perform basic wiring repairs to address the P0119 code.

8. How much does it typically cost to repair the OBDII code P0119 in a 2008 Ford Fusion at a mechanic or dealership?

- The cost of repairing the P0119 code can vary depending on the location and labor rates, but it generally ranges from $100 to $300 for parts and labor.

9. Will resetting the OBDII code P0119 in a 2008 Ford Fusion make the issue go away permanently?

- Resetting the code may temporarily turn off the check engine light, but if the underlying issue with the engine coolant temperature sensor persists, the code is likely to reappear.

10. How urgent is it to address the OBDII code P0119 in a 2008 Ford Fusion?

- It is recommended to address the P0119 code promptly to prevent potential engine damage, overheating, and drivability issues in your 2008 Ford Fusion.

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