Engine-CodesFord – P0119 2020 Ford F150

P0119 2020 Ford F150 Code - Engine Coolant Temperature Sensor 1 Circuit Intermittent

Quick Answer

The P0119 diagnostic trouble code (DTC) for a 2020 Ford F150 indicates an issue with the Engine Coolant Temperature (ECT) Sensor 1 Circuit being intermittent. Common causes include Faulty ECT sensor, Loose or damaged wiring/connectors in the ECT circuit, Corrosion or buildup on the ECT sensor terminals. 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 2020 Ford F150 indicates Engine Coolant Temperature Sensor 1 Circuit Intermittent.
Common causes
Common causes include Faulty ECT sensor, Loose or damaged wiring/connectors in the ECT circuit, Corrosion or buildup on the ECT sensor terminals.
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.
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P0119 2020 Ford F150 Description

The P0119 diagnostic trouble code (DTC) for a 2020 Ford F150 indicates an issue with the Engine Coolant Temperature (ECT) Sensor 1 Circuit being intermittent. The ECT sensor is a crucial component of the vehicle's engine management system, as it measures the temperature of the engine coolant and sends this information to the Engine Control Module (ECM). The ECM uses this data to adjust fuel delivery and ignition timing to ensure optimal engine performance and fuel efficiency.

OBDII Code P0119 2020 Ford F150 - Engine Coolant Temperature Sensor 1 Circuit Intermittent
P0119 2020 Ford F150 Code - Engine Coolant Temperature Sensor 1 Circuit Intermittent

Common Causes of P0119 2020 Ford F150

  1. Faulty ECT sensor.
  2. Loose or damaged wiring/connectors in the ECT circuit.
  3. Corrosion or buildup on the ECT sensor terminals.
  4. Coolant leak affecting the ECT sensor readings.
  5. ECM software or hardware issues.

Symptoms of P0119 2020 Ford F150

  1. Engine overheating or running hotter than usual.
  2. Poor fuel economy.
  3. Rough idling or stalling.
  4. Check Engine Light illuminated on the dashboard.
  5. Engine misfires or hesitation during acceleration.

How to Fix P0119 2020 Ford F150

  1. Begin by diagnosing the issue using a scan tool to confirm the P0119 code and check the ECT sensor readings.
  2. Inspect the wiring and connectors in the ECT sensor circuit for any damage or corrosion, repairing or replacing as necessary.
  3. Test the ECT sensor resistance with a multimeter to ensure it is within the manufacturer's specifications.
  4. If the sensor is found to be faulty, replace it with a new one and clear the DTC from the ECM.
  5. Perform a test drive to verify that the issue has been resolved and monitor the engine temperature and performance.

Cost to Fix P0119 2020 Ford F150

The cost of repairing a P0119 code on a 2020 Ford F150 can vary depending on the specific cause of the issue. On average, replacing an ECT sensor can range from $50 to $150 for the part, with additional costs for labor if done at a professional auto repair shop. Overall, the total repair cost, including parts and labor, can range from $100 to $300. It's important to note that labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate based on your location and vehicle.

Tech Notes for P0119 2020 Ford F150

Start by checking for coolant leaks, and if there are no leaks, the thermostat might be stuck closed and need replacement. If the problem persists, change the Engine Coolant Temperature (ECT) sensor.

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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 2020 Ford F150 Code

1. What are the common symptoms of OBDII code P0119 in a 2020 Ford F150?

The most common symptoms include fluctuating temperature gauge readings, engine overheating, poor fuel economy, and potential stalling or rough idling.

2. What causes the OBDII code P0119 in a 2020 Ford F150?

The primary cause of this code is usually a malfunctioning engine coolant temperature (ECT) sensor or issues with the sensor's wiring or connections.

3. How can I diagnose the Engine Coolant Temperature Sensor 1 Circuit Intermittent issue in my 2020 Ford F150?

You can start by checking the ECT sensor's electrical connections for corrosion or damage, testing the sensor's resistance with a multimeter, and inspecting the sensor itself for any signs of physical damage.

4. Is it safe to drive my 2020 Ford F150 with the P0119 code present?

It is not recommended to drive your vehicle with a faulty ECT sensor, as it can lead to engine damage due to incorrect temperature readings and improper fuel mixture.

5. Can I repair the Engine Coolant Temperature Sensor issue in my 2020 Ford F150 myself?

If you have experience with automotive repairs and access to the necessary tools, you can potentially replace the ECT sensor yourself. However, if you're unsure, it's best to consult a professional mechanic.

6. How much does it cost to repair the P0119 code in a 2020 Ford F150?

The cost of repairing the ECT sensor issue can vary depending on the exact cause of the problem, but it typically ranges from $100 to $300, including parts and labor.

7. Will resetting the OBDII code P0119 in my 2020 Ford F150 make the issue go away?

Resetting the code may temporarily clear the warning light, but if the underlying problem with the ECT sensor is not fixed, the code is likely to reappear.

8. Can a faulty Engine Coolant Temperature Sensor affect my 2020 Ford F150's performance?

Yes, a malfunctioning ECT sensor can impact engine performance, fuel efficiency, and emissions control, leading to potential drivability issues.

9. How important is the Engine Coolant Temperature Sensor for my 2020 Ford F150's overall functioning?

The ECT sensor is crucial for monitoring engine temperature and ensuring optimal performance, fuel efficiency, and emissions control in your Ford F150.

10. Are there any preventive measures to avoid the P0119 code in my 2020 Ford F150?

Regularly inspecting and maintaining your vehicle's cooling system, including the ECT sensor, can help prevent issues that trigger the P0119 code.

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