Engine-CodesFord – P0112 2011 Ford Fusion

P0112 2011 Ford Fusion Code - Intake Air Temperature Sensor Circuit Low Input

Quick Answer

The P0112 code for a 2011 Ford Fusion indicates a problem with the Intake Air Temperature (IAT) Sensor Circuit, specifically a low input voltage. Common causes include Faulty IAT sensor, Damaged or corroded wiring in the sensor circuit, Loose or poor connection at the sensor. 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
P0112 2011 Ford Fusion indicates Intake Air Temperature Sensor Circuit Low Input.
Common causes
Common causes include Faulty IAT sensor, Damaged or corroded wiring in the sensor circuit, Loose or poor connection at the sensor.
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.
Table of contents Created and updated by William Orellana on Sep 10, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0112 2011 Ford Fusion Description

The P0112 code for a 2011 Ford Fusion indicates a problem with the Intake Air Temperature (IAT) Sensor Circuit, specifically a low input voltage. The IAT sensor is responsible for measuring the temperature of the air entering the engine. This information is crucial for the engine control module (ECM) to adjust the air-fuel mixture and ignition timing to optimize performance and fuel efficiency.

OBDII Code P0112 2011 Ford Fusion - Intake Air Temperature Sensor Circuit Low Input
P0112 2011 Ford Fusion Code - Intake Air Temperature Sensor Circuit Low Input

Common Causes of P0112 2011 Ford Fusion

  1. Faulty IAT sensor
  2. Damaged or corroded wiring in the sensor circuit
  3. Loose or poor connection at the sensor
  4. Faulty ECM
  5. Intake air leaks near the sensor

Symptoms of P0112 2011 Ford Fusion

  1. Decreased fuel efficiency
  2. Rough idling or stalling
  3. Hesitation or lack of power during acceleration
  4. Engine running too rich or too lean
  5. Check Engine Light illuminated

How to Fix P0112 2011 Ford Fusion

  1. Begin by locating the IAT sensor in the intake air duct or near the air filter housing.
  2. Inspect the sensor and its wiring for any visible damage, corrosion, or loose connections.
  3. Test the IAT sensor using a multimeter to check for proper voltage readings.
  4. If the sensor is faulty, replace it with a new one following manufacturer guidelines.
  5. Clear the diagnostic trouble codes with a scan tool and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0112 2011 Ford Fusion

The cost estimate for repairing the P0112 code on a 2011 Ford Fusion can vary depending on the specific cause of the issue. On average, the cost of replacing an IAT sensor ranges from $50 to $100, while labor costs can range from $80 to $150 per hour. Additional costs may include diagnostic time, wiring repairs, or ECM replacement if necessary. Overall, the total repair cost may range from $100 to $300, but it's advisable to consult with a professional mechanic for a more accurate estimate based on the specific circumstances of the vehicle.

Tech Notes for P0112 2011 Ford Fusion

Before replacing the Mass Air Flow (MAF) sensor, try replacing the air filter and cleaning the Mass Air Flow sensor with Mass Air Flow sensor cleaner. Reset code and drive the vehicle. If the code comes back, it may be necessary to replace the Mass Air Flow sensor.

Need more information about the P0112 2011 Ford Fusion code?

Need more information on how to fix the P0112 2011 Ford Fusion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0112 2011 Ford Fusion code diagnosed by a professional: Find a repair shop in your area

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 P0112 2011 Ford Fusion Code

1. What does OBDII code P0112 mean for a 2011 Ford Fusion?

This code indicates a problem with the Intake Air Temperature (IAT) sensor circuit, specifically a low input signal.

2. What are the common symptoms of P0112 in a 2011 Ford Fusion?

Common symptoms include poor engine performance, rough idling, decreased fuel efficiency, and potential stalling.

3. What are the possible causes of the Intake Air Temperature Sensor Circuit Low Input in a 2011 Ford Fusion?

Causes may include a faulty IAT sensor, damaged wiring or connectors, a disconnected sensor, or issues with the ECM (Engine Control Module).

4. How can I diagnose the P0112 code in my 2011 Ford Fusion?

To diagnose this code, you can use a scan tool to check for the specific trouble code, visually inspect the sensor and its connections, and test the sensor's resistance.

5. Can I drive my 2011 Ford Fusion with the P0112 code?

It is not recommended to drive a vehicle with the P0112 code as it can lead to further engine problems and potential safety hazards.

6. What is the repair process for fixing the Intake Air Temperature Sensor Circuit Low Input in a 2011 Ford Fusion?

The repair process typically involves replacing the faulty IAT sensor, repairing or replacing damaged wiring or connectors, and clearing the trouble code.

7. How much does it cost to fix the P0112 code in a 2011 Ford Fusion?

The cost of repair can vary depending on the root cause of the issue, but it may range from $100 to $300 for parts and labor.

8. Can I reset the P0112 code in my 2011 Ford Fusion without fixing the issue?

While you can clear the trouble code using an OBDII scanner, the underlying problem causing the code will persist unless properly diagnosed and repaired.

9. Is the Intake Air Temperature Sensor Circuit Low Input a common issue in 2011 Ford Fusion vehicles?

While it's not the most common issue, problems with the IAT sensor circuit can occur in 2011 Ford Fusion models due to sensor wear or electrical issues.

10. How can I prevent the P0112 code from appearing in my 2011 Ford Fusion?

Regular maintenance, checking the sensor connections, and addressing any engine performance issues promptly can help prevent the recurrence of the P0112 trouble code.

Discuss the causes and fixes for P0112 2011 Ford Fusion OBDII Code

Code P0112 2011 Ford Fusion comments

No comments found for this page.