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Engine-Codes – Ford – P0119 Ford

P0119 Ford Code - Engine Coolant Temperature Sensor 1 Circuit Intermittent

Quick Answer

The P0119 diagnostic trouble code (DTC) for Ford vehicles refers to the Engine Coolant Temperature (ECT) Sensor 1 Circuit Intermittent. Common causes include Faulty ECT sensor, Wiring issues or corrosion in the ECT sensor circuit, ECM software malfunction. 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 Ford indicates Engine Coolant Temperature Sensor 1 Circuit Intermittent.
Common causes
Common causes include Faulty ECT sensor, Wiring issues or corrosion in the ECT sensor circuit, ECM software malfunction.
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 Aug 30, 2024
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Code P0119 Ford Description

The P0119 diagnostic trouble code (DTC) for Ford vehicles refers to the Engine Coolant Temperature (ECT) Sensor 1 Circuit Intermittent. This code indicates that the ECT sensor is sending intermittent signals to the Engine Control Module (ECM), causing potential issues with the engine's performance and fuel efficiency. The ECT sensor plays a crucial role in monitoring the temperature of the engine coolant, which helps the ECM adjust fuel delivery and ignition timing for optimal performance. When the ECT sensor malfunctions or sends inconsistent signals, it can lead to various performance issues and potential long-term damage to the engine if left unaddressed.

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

Common Causes of P0119 Ford

  1. Faulty ECT sensor
  2. Wiring issues or corrosion in the ECT sensor circuit
  3. ECM software malfunction
  4. Coolant level or quality issues affecting sensor readings
  5. Engine overheating causing sensor damage

Symptoms of P0119 Ford

  1. Check Engine Light illuminated on the dashboard
  2. Inaccurate temperature gauge readings
  3. Engine overheating or running too cold
  4. Poor fuel efficiency
  5. Rough idling or stalling

How to Fix P0119 Ford

  1. Begin by diagnosing the issue with a scan tool to confirm the P0119 code and check for any related codes.
  2. Inspect the ECT sensor and its wiring for any visible damage or corrosion. Replace the sensor if necessary.
  3. Test the ECT sensor circuit for continuity and proper voltage using a multimeter.
  4. Reset the ECM and clear the trouble codes after repairing or replacing the sensor.
  5. Test drive the vehicle to ensure the issue is resolved and the code does not return.

Cost to Fix P0119 Ford

The typical repair costs for addressing a P0119 code in a Ford vehicle can range from $100 to $300, depending on the cost of the ECT sensor, labor charges, and any additional parts or repairs needed. It's important to consider that diagnostic time and labor rates can vary, so it's recommended to consult with a trusted auto repair shop for an accurate estimate based on your specific vehicle and location.

What does this mean?

Tech Notes for P0119 Ford

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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Information for Specific Ford Models

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.

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