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Engine-Codes – Ford – P0122 2011 Ford Fusion

P0122 2011 Ford Fusion Code - Throttle/Pedal Position Sensor 'A' Circuit Low Input

Quick Answer

The P0122 code for a 2011 Ford Fusion indicates an issue with the Throttle/Pedal Position Sensor 'A' Circuit, specifically a low input signal. Common causes include Faulty throttle position sensor, Damaged or corroded wiring/connectors in the sensor circuit, Malfunctioning engine control module (ECM). 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
P0122 2011 Ford Fusion indicates Throttle/Pedal Position Sensor 'A' Circuit Low Input.
Common causes
Common causes include Faulty throttle position sensor, Damaged or corroded wiring/connectors in the sensor circuit, Malfunctioning engine control module (ECM).
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 16, 2024
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Code P0122 2011 Ford Fusion Description

The P0122 code for a 2011 Ford Fusion indicates an issue with the Throttle/Pedal Position Sensor 'A' Circuit, specifically a low input signal. This sensor is crucial for the proper functioning of the vehicle's throttle system, as it helps regulate the amount of air entering the engine, which in turn affects fuel delivery and overall engine performance. When the sensor detects a low input signal, it means that the voltage reading from the sensor is lower than the expected range, which can lead to various performance issues.

OBDII Code P0122 2011 Ford Fusion - Throttle/Pedal Position Sensor 'A' Circuit Low Input
P0122 2011 Ford Fusion Code - Throttle/Pedal Position Sensor 'A' Circuit Low Input

Common Causes of P0122 2011 Ford Fusion

  1. Faulty throttle position sensor.
  2. Damaged or corroded wiring/connectors in the sensor circuit.
  3. Malfunctioning engine control module (ECM).
  4. Issues with the throttle body or related components.
  5. Electrical issues such as a short circuit or open circuit in the sensor circuit.

Symptoms of P0122 2011 Ford Fusion

  1. Hesitation or lack of response when pressing the accelerator pedal.
  2. Rough idling or unstable engine RPM.
  3. Stalling or difficulty starting the engine.
  4. Reduced engine power or acceleration.
  5. Check Engine Light illuminated on the dashboard.

How to Fix P0122 2011 Ford Fusion

  1. Begin by diagnosing the issue using a scan tool to confirm the P0122 code and identify the specific cause.
  2. Inspect the throttle position sensor, wiring, and connectors for any visible damage or corrosion. Replace any faulty components as needed.
  3. Test the sensor's voltage output using a multimeter to ensure it is within the correct range.
  4. Clear the error code and reset the ECM to see if the issue persists after repairs.
  5. Test drive the vehicle to confirm that the symptoms have been resolved and that the throttle response is back to normal.

Cost to Fix P0122 2011 Ford Fusion

The typical repair costs for addressing a P0122 code on a 2011 Ford Fusion can vary depending on the specific cause of the issue. In general, replacing a faulty throttle position sensor can cost between $50 to $200, while addressing wiring or connector issues may range from $100 to $300. If the ECM needs to be replaced, the cost can be higher, potentially ranging from $200 to $500 or more. Labor costs at auto repair shops typically range from $80 to $150 per hour, so the total repair bill can vary based on the complexity of the repair and the shop's hourly rates. It's advisable to consult with a trusted mechanic or dealership for a more accurate cost estimate based on your vehicle's specific needs.

What does this mean?

Tech Notes for P0122 2011 Ford Fusion

You can try to clean the throttle body, before any other repairs.

When is the Code Detected?

The Throttle Position Sensor (TPS) signal 1 circuit has reported an open or low voltage

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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 P0122 2011 Ford Fusion Code

1. What are the common symptoms of OBDII code P0122 in a 2011 Ford Fusion?

- Common symptoms include decreased engine performance, stalling, rough idling, and issues with acceleration.

2. What does the OBDII code P0122 in a 2011 Ford Fusion indicate?

- The code P0122 signifies a low input signal from the throttle/pedal position sensor 'A' circuit in the vehicle.

3. What are the possible causes of OBDII code P0122 in a 2011 Ford Fusion?

- The code can be triggered by a faulty throttle position sensor, damaged wiring, poor electrical connections, or issues with the engine control module.

4. How can I diagnose the cause of OBDII code P0122 in my 2011 Ford Fusion?

- To diagnose the issue, you can use a scan tool to check the sensor's voltage readings, inspect the sensor and its wiring for damage, and test the sensor's functionality.

5. Can I drive my 2011 Ford Fusion with OBDII code P0122?

- It is not recommended to drive the vehicle with code P0122 as it may lead to further damage and safety issues. Immediate attention and repairs are advised.

6. How can I repair OBDII code P0122 in my 2011 Ford Fusion?

- Repair options include replacing the throttle position sensor, repairing damaged wiring, ensuring proper electrical connections, and resetting the trouble code.

7. Will resetting the OBDII code P0122 in my 2011 Ford Fusion solve the issue?

- Resetting the code may temporarily clear the warning light, but if the underlying issue is not fixed, the code is likely to reappear. It is crucial to address the root cause.

8. How much does it cost to repair OBDII code P0122 in a 2011 Ford Fusion?

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

9. Can a DIY enthusiast fix OBDII code P0122 in a 2011 Ford Fusion?

- Depending on your skills and tools, some DIY enthusiasts may be able to replace the throttle position sensor or repair wiring issues. However, professional diagnosis is recommended.

10. Is OBDII code P0122 a common issue in 2011 Ford Fusion vehicles?

- While not extremely common, OBDII code P0122 can occur in 2011 Ford Fusion models due to sensor malfunctions, wiring issues, or electronic control module problems.

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