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P1116 2011 Ford Fusion Code - Engine Coolant Temperature Sensor is Out of Self-Test Range

Quick Answer

The P1116 diagnostic trouble code for a 2011 Ford Fusion indicates that the Engine Coolant Temperature Sensor is out of self-test range. Common causes include Faulty Engine Coolant Temperature Sensor, Corroded or damaged wiring/connectors, Issues with the Engine Control Module (ECM). 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
P1116 2011 Ford Fusion indicates Engine Coolant Temperature Sensor is Out of Self-Test Range.
Common causes
Common causes include Faulty Engine Coolant Temperature Sensor, Corroded or damaged wiring/connectors, Issues with the Engine Control Module (ECM).
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 11, 2024
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Code P1116 2011 Ford Fusion Description

The P1116 diagnostic trouble code for a 2011 Ford Fusion indicates that the Engine Coolant Temperature Sensor is out of self-test range. The Engine Coolant Temperature Sensor (ECT) is a vital component that measures the temperature of the engine coolant and sends this information to the vehicle's Engine Control Module (ECM). The ECM uses this data to adjust fuel delivery, ignition timing, and other engine functions to ensure optimal performance and efficiency.

OBDII Code P1116 2011 Ford Fusion - Engine Coolant Temperature Sensor is Out of Self-Test Range
P1116 2011 Ford Fusion Code - Engine Coolant Temperature Sensor is Out of Self-Test Range

Common Causes of P1116 2011 Ford Fusion

  1. Faulty Engine Coolant Temperature Sensor
  2. Corroded or damaged wiring/connectors
  3. Issues with the Engine Control Module (ECM)
  4. Coolant leakage affecting sensor readings
  5. Engine overheating causing sensor malfunction

Symptoms of P1116 2011 Ford Fusion

  1. Engine overheating
  2. Poor fuel economy
  3. Rough idling or stalling
  4. Check Engine Light illuminated
  5. Difficulty starting the engine

How to Fix P1116 2011 Ford Fusion

  1. Perform a diagnostic scan to confirm the P1116 code and pinpoint the exact cause of the issue.
  2. Inspect the ECT sensor and its wiring/connectors for any damage or corrosion. Replace any faulty components.
  3. Test the sensor's resistance and voltage to ensure it is functioning correctly.
  4. Clear the code from the vehicle's ECM and reset the system.
  5. Test drive the vehicle to confirm that the issue has been resolved and that the sensor is providing accurate readings.

Cost to Fix P1116 2011 Ford Fusion

The typical repair costs for resolving a P1116 code on a 2011 Ford Fusion can vary depending on the exact cause of the issue. In general, replacing a faulty Engine Coolant Temperature Sensor and addressing any associated wiring or connector problems can range from $100 to $300 for parts and labor. It's important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is advisable to check with local auto repair shops for a more accurate estimate.

What does this mean?

Tech Notes for P1116 2011 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. The engine coolant temperature must be greater than 10°C (50°F) to pass the key ON engine OFF (KOEO) self-test and greater than 82°C (180°F) to pass the key ON engine running (KOER) self-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 P1116 2011 Ford Fusion Code

1. What does OBDII code P1116 on a 2011 Ford Fusion mean?

The code P1116 indicates that the Engine Coolant Temperature Sensor is Out of Self-Test Range.

2. What are the common symptoms of a P1116 code in a 2011 Ford Fusion?

Common symptoms include poor engine performance, overheating, rough idling, and potential issues with the vehicle's fuel efficiency.

3. What are the possible causes of a P1116 code in a 2011 Ford Fusion?

The code can be triggered by a faulty Engine Coolant Temperature Sensor, wiring issues, a malfunctioning thermostat, or problems with the cooling system.

4. How can I diagnose a P1116 code on my 2011 Ford Fusion?

Diagnosing a P1116 code typically involves checking the Engine Coolant Temperature Sensor, inspecting the wiring for damage, and testing the thermostat and cooling system components.

5. What are the repair options for a P1116 code on a 2011 Ford Fusion?

Repair options may include replacing the Engine Coolant Temperature Sensor, repairing any wiring issues, replacing the thermostat, or addressing any cooling system problems.

6. Can I drive my 2011 Ford Fusion with a P1116 code?

It is not recommended to drive your vehicle with a P1116 code, as it can lead to engine overheating and potential damage. It is best to address the issue promptly.

7. How much does it cost to repair a P1116 code on a 2011 Ford Fusion?

The cost of repair can vary depending on the specific cause of the issue and the required parts and labor. It is advisable to consult a mechanic for an accurate estimate.

8. Can a DIY enthusiast fix a P1116 code on a 2011 Ford Fusion?

Depending on the individual's mechanical skills and knowledge, some DIY enthusiasts may be able to address a P1116 code by replacing the Engine Coolant Temperature Sensor or checking for wiring issues.

9. Will a P1116 code reset itself on a 2011 Ford Fusion?

If the underlying issue causing the P1116 code is not resolved, the code may continue to reappear even if it is cleared. It is essential to diagnose and fix the problem to prevent the code from returning.

10. How serious is a P1116 code on a 2011 Ford Fusion?

While a P1116 code may not always result in immediate breakdown, it can lead to engine performance issues and potential overheating problems if left unaddressed. It is crucial to address the code promptly.

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