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P1116 2008 Ford Fusion Code - Engine Coolant Temperature Sensor is Out of Self-Test Range

Quick Answer

The P1116 code for a 2008 Ford Fusion indicates that the Engine Coolant Temperature Sensor is out of self-test range. Common causes include Faulty Engine Coolant Temperature Sensor, Wiring issues between the sensor and the ECM, ECM 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
P1116 2008 Ford Fusion indicates Engine Coolant Temperature Sensor is Out of Self-Test Range.
Common causes
Common causes include Faulty Engine Coolant Temperature Sensor, Wiring issues between the sensor and the ECM, ECM 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 Sep 11, 2024
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Code P1116 2008 Ford Fusion Description

The P1116 code for a 2008 Ford Fusion indicates that the Engine Coolant Temperature Sensor is out of self-test range. This sensor is responsible for monitoring the temperature of the engine coolant and sending this information to the engine control module (ECM). The ECM uses this data to adjust fuel injection timing, ignition timing, and other engine parameters to ensure optimal performance and fuel efficiency.

OBDII Code P1116 2008 Ford Fusion - Engine Coolant Temperature Sensor is Out of Self-Test Range
P1116 2008 Ford Fusion Code - Engine Coolant Temperature Sensor is Out of Self-Test Range

Common Causes of P1116 2008 Ford Fusion

  1. Faulty Engine Coolant Temperature Sensor
  2. Wiring issues between the sensor and the ECM
  3. ECM malfunction
  4. Coolant leak affecting sensor readings
  5. Corrosion or damage to sensor connectors

Symptoms of P1116 2008 Ford Fusion

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

How to Fix P1116 2008 Ford Fusion

  1. Begin by diagnosing the issue by using a scan tool to read the code and check the sensor's readings.
  2. Inspect the wiring and connectors for any signs of damage or corrosion. Replace any damaged components.
  3. Test the Engine Coolant Temperature Sensor to determine if it is functioning correctly. Replace the sensor if necessary.
  4. Clear the code from the ECM and reset the system to see if the issue has been resolved.
  5. Test drive the vehicle to ensure that the problem has been fixed and that the engine is operating at the correct temperature.

Cost to Fix P1116 2008 Ford Fusion

The cost of repairing a P1116 code on a 2008 Ford Fusion can vary depending on the cause of the issue and the cost of parts and labor in your area. Typically, replacing the Engine Coolant Temperature Sensor can cost between $50 and $150, while labor costs can range from $80 to $150 per hour. In total, you can expect to pay anywhere from $150 to $300 for this repair. It's recommended to get a few quotes from different auto repair shops to find the best price for your specific situation.

What does this mean?

Tech Notes for P1116 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. 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 2008 Ford Fusion Code

1. What does OBDII code P1116 on a 2008 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 2008 Ford Fusion?

Common symptoms of a P1116 code may include engine overheating, rough idling, poor fuel economy, and the check engine light being illuminated.

3. What are the possible causes of a P1116 code in a 2008 Ford Fusion?

Possible causes of a P1116 code include a faulty engine coolant temperature sensor, wiring issues, a coolant leak, or a problem with the engine's cooling system.

4. How can I diagnose a P1116 code in my 2008 Ford Fusion?

Diagnosing a P1116 code typically involves using an OBDII scanner to read the code, checking the engine coolant temperature sensor for proper operation, and inspecting the cooling system for any leaks or issues.

5. Can I still drive my 2008 Ford Fusion with a P1116 code?

It is not recommended to drive your vehicle with a P1116 code, as it can lead to potential engine damage due to overheating or incorrect temperature readings.

6. How can I repair a P1116 code in my 2008 Ford Fusion?

To repair a P1116 code, you may need to replace the engine coolant temperature sensor, repair any wiring issues, fix coolant leaks, or address problems in the cooling system.

7. Will resetting the check engine light fix a P1116 code in my 2008 Ford Fusion?

Simply resetting the check engine light will not fix the underlying issue causing the P1116 code. It's important to diagnose and repair the root cause of the problem.

8. How much does it cost to fix a P1116 code in a 2008 Ford Fusion?

The cost of fixing a P1116 code can vary depending on the cause of the issue. It may involve replacing the engine coolant temperature sensor, repairing wiring, or addressing cooling system problems.

9. Can a P1116 code in a 2008 Ford Fusion cause other issues if left unaddressed?

Yes, if left unaddressed, a P1116 code can lead to engine overheating, potential damage to engine components, poor performance, and decreased fuel efficiency.

10. How often should I check the engine coolant temperature sensor in my 2008 Ford Fusion to prevent a P1116 code?

It's a good practice to include checking the engine coolant temperature sensor during regular vehicle maintenance to help prevent issues like the P1116 code from occurring.

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