AutoCodes – Ford – P0114 2012 Ford Fusion

P0114 2012 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 2012 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 2,657
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 2012 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 2012 Ford Fusion - Intake Air Temperature Sensor 1 Intermittent Or Erratic - AutoCodes.com
P0114 2012 Ford Fusion Code - Intake Air Temperature Sensor 1 Intermittent Or Erratic

What are the Possible Causes of the DTC P0114 2012 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 2012 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 2012 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.

Need more information about the P0114 2012 Ford Fusion code?

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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 2012 Ford Fusion Code

1. What are the common symptoms of OBDII code P0114 on a 2012 Ford Fusion related to the Intake Air Temperature Sensor 1 Intermittent Or Erratic?

- Common symptoms include rough idling, poor fuel efficiency, stalling, and potential issues with acceleration.

2. What are the possible causes of OBDII code P0114 on a 2012 Ford Fusion?

- Possible causes include a faulty intake air temperature sensor, damaged wiring or connectors, a dirty air filter, or issues with the sensor's circuit.

3. How can I diagnose the Intake Air Temperature Sensor 1 Intermittent Or Erratic issue on my 2012 Ford Fusion?

- You can use an OBDII scanner to read the code, visually inspect the sensor and its wiring for any visible damage, and perform a resistance test on the sensor to check its functionality.

4. Can a dirty air filter cause OBDII code P0114 on a 2012 Ford Fusion?

- Yes, a dirty air filter can disrupt the airflow and affect the intake air temperature readings, potentially triggering the P0114 code.

5. How can I repair the Intake Air Temperature Sensor 1 Intermittent Or Erratic issue on my 2012 Ford Fusion?

- Depending on the root cause, you may need to replace the intake air temperature sensor, repair any damaged wiring or connectors, clean or replace the air filter, or reset the fault code after addressing the issue.

6. Is it safe to continue driving my 2012 Ford Fusion with OBDII code P0114 active?

- It is generally not recommended to drive with a faulty intake air temperature sensor, as it can lead to poor engine performance and potential long-term damage. It's best to address the issue promptly.

7. Can I reset the OBDII code P0114 on my 2012 Ford Fusion without fixing the underlying problem?

- While you can clear the fault code with an OBDII scanner, it's important to address the root cause of the issue to prevent the code from reoccurring and potentially causing further problems.

8. How much does it typically cost to replace the intake air temperature sensor on a 2012 Ford Fusion?

- The cost of replacing the intake air temperature sensor can vary depending on the model of the sensor, labor costs, and whether you choose to do it yourself or take it to a mechanic. It can range from $50 to $200.

9. Can a DIY enthusiast with basic automotive knowledge replace the intake air temperature sensor on a 2012 Ford Fusion?

- Yes, replacing the intake air temperature sensor is a relatively straightforward task that can be done by a DIY enthusiast with basic automotive knowledge and the right tools. However, if you're unsure, it's best to consult a professional mechanic.

10. Will fixing OBDII code P0114 on my 2012 Ford Fusion improve fuel efficiency?

- Yes, addressing the Intake Air Temperature Sensor 1 Intermittent Or Erratic issue can help improve fuel efficiency by ensuring the engine receives accurate temperature data for optimal performance.

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