AutoCodesFord – P0114 2010 Ford Fusion

P0114 2010 Ford Fusion Code - Intake Air Temperature Sensor 1 Intermittent Or Erratic

Quick Answer

The Intake Air Temperature (IAT) sensor is built into Mass Air Flow (MAF) sensor. Common causes include Dirty Air Filter, Faulty Intake Air Temperature (IAT) Sensor, Intake Air Temperature Sensor harness is open or shorted. 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
P0114 2010 Ford Fusion indicates Intake Air Temperature Sensor 1 Intermittent Or Erratic.
Common causes
Common causes include Dirty Air Filter, Faulty Intake Air Temperature (IAT) Sensor, Intake Air Temperature Sensor harness is open or shorted.
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.
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Code Popularity 2,920
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 13, 2020
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Code P0114 2010 Ford Fusion Description

The Intake Air Temperature (IAT) sensor is built into Mass Air Flow (MAF) sensor. The sensor detects intake air temperature and transmits a signal to the Powertrain Control Module (PCM). The temperature sensing unit uses a thermistor which is sensitive to the change in temperature. The electrical resistance of the thermistor decreases in response to the temperature rise. The Intake Air Temperature signal is used as an input for various systems in the vehicle. It is used by the Powertrain Control Module to assist with the calculation of idle speed, fuel mixture, and spark advance. The Diagnostic Trouble Code (DTC) will set when the PCM detects an erratic signal from the Intake Air Temperature sensor during the system monitor test.
OBDII Code P0114 2010 Ford Fusion - Intake Air Temperature Sensor 1 Intermittent Or Erratic - AutoCodes.com
P0114 2010 Ford Fusion Code - Intake Air Temperature Sensor 1 Intermittent Or Erratic

What are the Possible Causes of the DTC P0114 2010 Ford Fusion?

  • Dirty Air Filter
  • Faulty Intake Air Temperature (IAT) Sensor
  • Intake Air Temperature Sensor harness is open or shorted
  • Intake Air Temperature Sensor circuit poor electrical connection
  • Faulty Powertrain Control Module (PCM)

How to Fix the DTC P0114 2010 Ford Fusion?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0114 2010 Ford Fusion code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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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 P0114 2010 Ford Fusion Code

1. What does the OBDII code P0114 mean on a 2010 Ford Fusion?

P0114 indicates that the Intake Air Temperature (IAT) Sensor 1 is sending intermittent or erratic signals to the engine control module (ECM).

2. What are the common symptoms of a P0114 code on a 2010 Ford Fusion?

Symptoms may include poor fuel economy, rough idling, difficulty starting the engine, reduced power, and an illuminated check engine light.

3. What causes the P0114 code to appear on a 2010 Ford Fusion?

Common causes include a faulty IAT sensor, damaged wiring or connectors to the sensor, a dirty or contaminated sensor, or issues with the ECM.

4. Can I still drive my 2010 Ford Fusion with a P0114 code?

While the car might still be drivable, it could experience reduced performance or fuel efficiency. Prolonged driving without addressing the issue could lead to additional engine problems.

5. How do I diagnose the P0114 code on a 2010 Ford Fusion?

Start by using an OBDII scanner to confirm the code. Then inspect the IAT sensor, wiring, and connectors for damage or corrosion. Verify sensor readings with a multimeter if necessary.

6. How do I fix the P0114 code on a 2010 Ford Fusion?

Repairs may include cleaning or replacing the IAT sensor, repairing or replacing damaged wiring or connectors, or updating or reprogramming the ECM if needed.

7. Where is the Intake Air Temperature Sensor located on a 2010 Ford Fusion?

The IAT sensor is typically located on or near the intake manifold or integrated into the mass air flow (MAF) sensor housing.

8. What tools are needed to fix a P0114 code on a 2010 Ford Fusion?

You may need an OBDII scanner, a multimeter, basic hand tools, and electrical contact cleaner to troubleshoot and address the issue.

9. How much does it cost to fix a P0114 code on a 2010 Ford Fusion?

The cost can vary, but replacing the IAT sensor typically costs between $50 and $150 for parts and labor. Wiring repairs may add to the total.

10. Can a dirty air filter trigger the P0114 code on a 2010 Ford Fusion?

While unlikely, a severely clogged air filter might affect airflow and sensor readings. It’s a good idea to check and replace the air filter if needed.

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