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P1115 2011 Ford Fusion Code - Intake Air Temperature Sensor 2 Circuit High

Quick Answer

The P1115 diagnostic trouble code (DTC) for a 2011 Ford Fusion refers to the Intake Air Temperature Sensor 2 Circuit High. Common causes include Faulty intake air temperature sensor, Wiring or connector issues in the sensor circuit, Loose or corroded connections in the sensor circuit. 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
P1115 2011 Ford Fusion indicates Intake Air Temperature Sensor 2 Circuit High.
Common causes
Common causes include Faulty intake air temperature sensor, Wiring or connector issues in the sensor circuit, Loose or corroded connections in the sensor circuit.
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 07, 2024
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Code P1115 2011 Ford Fusion Description

The P1115 diagnostic trouble code (DTC) for a 2011 Ford Fusion refers to the Intake Air Temperature Sensor 2 Circuit High. This code indicates that the Engine Control Module (ECM) has detected a high voltage signal from the intake air temperature sensor 2, which is located in the air intake system. The intake air temperature sensor is responsible for measuring the temperature of the air entering the engine, which is crucial for proper fuel delivery and combustion.

OBDII Code P1115 2011 Ford Fusion - Intake Air Temperature Sensor 2 Circuit High
P1115 2011 Ford Fusion Code - Intake Air Temperature Sensor 2 Circuit High

Common Causes of P1115 2011 Ford Fusion

  1. Faulty intake air temperature sensor
  2. Wiring or connector issues in the sensor circuit
  3. Loose or corroded connections in the sensor circuit
  4. Intake air temperature sensor 2 circuit shorted to voltage
  5. ECM malfunction

Symptoms of P1115 2011 Ford Fusion

  1. Check engine light illuminated
  2. Decreased fuel efficiency
  3. Rough idling or stalling
  4. Hesitation or lack of power during acceleration
  5. Engine misfires

How to Fix P1115 2011 Ford Fusion

  1. Begin by verifying the DTC with a scan tool to confirm the presence of the P1115 code.
  2. Inspect the intake air temperature sensor 2 and its wiring for any visible damage, corrosion, or loose connections.
  3. Test the sensor's resistance and voltage values according to the manufacturer's specifications to determine if it is functioning correctly.
  4. Replace the intake air temperature sensor 2 if it is found to be faulty or out of spec.
  5. Clear the DTC and test drive the vehicle to ensure that the repair has resolved the issue.

Cost to Fix P1115 2011 Ford Fusion

The cost of repairing the Intake Air Temperature Sensor 2 Circuit High issue on a 2011 Ford Fusion can vary depending on the specific cause of the problem and the cost of parts and labor. In general, the cost of replacing the sensor itself can range from $50 to $150, while the labor cost for the repair can be between $100 and $200. Overall, the total repair cost for this issue is typically around $150 to $350. However, it is recommended to check with local auto repair shops for more accurate estimates based on your location and vehicle. Keep in mind that labor rates can vary, with rates typically ranging between $80 and $150 per hour.

What does this mean?

Tech Notes for P1115 2011 Ford Fusion

Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air flow sensor with mass air flow sensor cleaner. Reset code and drive vehicle. If the code comes back, it may be necessary to replaced the mass air flow sensor. Monitor the IAT on a scan tool. Look for sudden changes in the reading when the harness is wiggled or the sensor is tapped.

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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 P1115 2011 Ford Fusion Code

1. What are the common symptoms of OBDII code P1115 in a 2011 Ford Fusion?

The common symptoms of code P1115 in a 2011 Ford Fusion include rough idling, decreased fuel efficiency, and potential stalling of the engine.

2. What does the OBDII code P1115 "Intake Air Temperature Sensor 2 Circuit High" mean in a 2011 Ford Fusion?

The P1115 code indicates that the Engine Control Module (ECM) has detected a high voltage signal from the Intake Air Temperature Sensor 2 in the intake system of the 2011 Ford Fusion.

3. What are the possible causes of OBDII code P1115 on a 2011 Ford Fusion?

Possible causes of code P1115 in a 2011 Ford Fusion include a faulty intake air temperature sensor, damaged wiring or connectors in the sensor circuit, or issues with the Engine Control Module (ECM).

4. How can I diagnose the cause of OBDII code P1115 in my 2011 Ford Fusion?

To diagnose the cause of code P1115, you can start by inspecting the intake air temperature sensor and its wiring for any visible damage. You may also use a multimeter to test the sensor's resistance and voltage output.

5. Can I continue driving my 2011 Ford Fusion with OBDII code P1115?

It is not recommended to drive your 2011 Ford Fusion with an unresolved P1115 code, as it may lead to poor engine performance and potential damage over time. It is best to address the issue promptly.

6. How do I repair OBDII code P1115 on my 2011 Ford Fusion?

Repairing code P1115 typically involves replacing the faulty intake air temperature sensor 2 and repairing any damaged wiring or connectors in the sensor circuit. Clearing the code with a diagnostic tool is also necessary.

7. Is it possible to reset OBDII code P1115 in a 2011 Ford Fusion without fixing the underlying issue?

Resetting the code without addressing the underlying issue will only temporarily clear the check engine light. The code is likely to return if the root cause is not repaired.

8. Can a DIY enthusiast fix OBDII code P1115 on a 2011 Ford Fusion?

Depending on your skill level and access to tools, a DIY enthusiast may be able to replace the intake air temperature sensor and repair the wiring associated with code P1115 in a 2011 Ford Fusion.

9. How much does it cost to repair OBDII code P1115 in a 2011 Ford Fusion at a professional auto repair shop?

The cost of repairing code P1115 at an auto repair shop can vary depending on the labor rates and parts required. It is recommended to obtain multiple quotes for an accurate estimate.

10. Will fixing OBDII code P1115 improve the overall performance of my 2011 Ford Fusion?

Addressing OBDII code P1115 and repairing the underlying issue should help improve the overall performance and fuel efficiency of your 2011 Ford Fusion by ensuring the intake air temperature sensor functions correctly.

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