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Engine-Codes – Ford – P0122 2007 Ford Fusion

P0122 2007 Ford Fusion Code - Throttle/Pedal Position Sensor 'A' Circuit Low Input

Quick Answer

The P0122 diagnostic trouble code (DTC) for a 2007 Ford Fusion indicates an issue with the Throttle/Pedal Position Sensor 'A' Circuit Low Input. Common causes include Faulty throttle or pedal position sensor, Damaged wiring or connectors, Corrosion or poor 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
P0122 2007 Ford Fusion indicates Throttle/Pedal Position Sensor 'A' Circuit Low Input.
Common causes
Common causes include Faulty throttle or pedal position sensor, Damaged wiring or connectors, Corrosion or poor 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 14, 2024
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Code P0122 2007 Ford Fusion Description

The P0122 diagnostic trouble code (DTC) for a 2007 Ford Fusion indicates an issue with the Throttle/Pedal Position Sensor 'A' Circuit Low Input. This means that the Engine Control Module (ECM) has detected a lower than expected voltage signal from the throttle position sensor or pedal position sensor. These sensors are crucial components of the vehicle's electronic throttle control system, responsible for monitoring the position of the throttle or accelerator pedal and sending this information to the ECM to adjust the engine's performance accordingly.

OBDII Code P0122 2007 Ford Fusion - Throttle/Pedal Position Sensor 'A' Circuit Low Input
P0122 2007 Ford Fusion Code - Throttle/Pedal Position Sensor 'A' Circuit Low Input

Common Causes of P0122 2007 Ford Fusion

  1. Faulty throttle or pedal position sensor
  2. Damaged wiring or connectors
  3. Corrosion or poor connections in the sensor circuit
  4. ECM malfunction
  5. Environmental factors such as moisture or debris affecting sensor performance

Symptoms of P0122 2007 Ford Fusion

  1. Reduced engine power
  2. Rough idling or stalling
  3. Difficulty accelerating
  4. Check Engine Light illuminated
  5. Limp mode activation

How to Fix P0122 2007 Ford Fusion

  1. Begin by conducting a thorough inspection of the throttle and pedal position sensors, as well as their wiring and connectors, to check for any visible damage or corrosion.
  2. Use a multimeter to test the voltage output of the sensors and compare it to the manufacturer's specifications to determine if they are functioning correctly.
  3. If the sensors are found to be faulty, replace them with new, OEM-quality components and ensure they are properly calibrated.
  4. Check and repair any damaged wiring or connectors in the sensor circuit to ensure a reliable connection.
  5. Clear the DTC using a scan tool and test drive the vehicle to verify that the issue has been resolved.

Cost to Fix P0122 2007 Ford Fusion

The typical repair costs for addressing a P0122 code on a 2007 Ford Fusion can vary depending on the specific cause of the issue. In general, replacing a throttle or pedal position sensor can cost between $100 and $200 for parts, with additional labor costs ranging from $100 to $200. If wiring repairs or ECM diagnostics are required, the total repair costs may increase accordingly. It's important to note that labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. For a more accurate estimate, it is recommended to consult with local auto repair shops.

What does this mean?

Tech Notes for P0122 2007 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

Need more information about the P0122 2007 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 P0122 2007 Ford Fusion Code

1. What are common symptoms of OBDII code P0122 in a 2007 Ford Fusion?

- Common symptoms include a decrease in engine performance, issues with acceleration, and potential stalling of the vehicle.

2. What causes the Throttle/Pedal Position Sensor 'A' Circuit Low Input code (P0122) in a 2007 Ford Fusion?

- The code P0122 is typically triggered by a faulty throttle position sensor, damaged wiring or connectors, or issues with the vehicle's engine control module.

3. How can I diagnose the cause of OBDII code P0122 in my 2007 Ford Fusion?

- A thorough diagnostic process involves checking the throttle position sensor's wiring and connections, testing the sensor itself, and inspecting the engine control module for any faults.

4. Can a dirty throttle body cause the P0122 code in a 2007 Ford Fusion?

- Yes, a dirty throttle body can sometimes cause erratic signals to be sent to the throttle position sensor, triggering the P0122 code.

5. Is it safe to continue driving my 2007 Ford Fusion with the P0122 code present?

- While the vehicle may still be operable with the code present, it is not recommended to continue driving as it can lead to further damage and potential safety issues.

6. How can I repair the Throttle/Pedal Position Sensor 'A' Circuit Low Input code P0122 in my 2007 Ford Fusion?

- Repair options may include replacing the throttle position sensor, repairing or replacing damaged wiring, or reprogramming the engine control module.

7. Can I reset the OBDII code P0122 in my 2007 Ford Fusion by disconnecting the battery?

- Disconnecting the battery may reset the code temporarily, but it is important to address the root cause of the issue to prevent the code from reappearing.

8. Are there any recalls or technical service bulletins related to the P0122 code in a 2007 Ford Fusion?

- It is recommended to check with authorized Ford dealerships or online resources to see if there are any recalls or technical service bulletins related to the P0122 code for your specific vehicle.

9. How much does it typically cost to repair the P0122 code in a 2007 Ford Fusion?

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

10. Can I fix the P0122 code in my 2007 Ford Fusion myself, or should I seek professional help?

- While some DIY enthusiasts may attempt to fix the issue themselves, it is often recommended to seek professional help to ensure proper diagnosis and repair of the P0122 code.

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