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Engine-Codes – Ford – P0123 2007 Ford Fusion

P0123 2007 Ford Fusion Code - Throttle/Pedal Position Sensor 'A' Circuit High

Quick Answer

The P0123 diagnostic trouble code (DTC) for a 2007 Ford Fusion indicates an issue with the Throttle/Pedal Position Sensor 'A' Circuit being too high. Common causes include Faulty throttle position sensor, Damaged wiring or connectors in the sensor circuit, Corrosion in the sensor connections. 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
P0123 2007 Ford Fusion indicates Throttle/Pedal Position Sensor 'A' Circuit High.
Common causes
Common causes include Faulty throttle position sensor, Damaged wiring or connectors in the sensor circuit, Corrosion in the sensor connections.
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 17, 2024
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Code P0123 2007 Ford Fusion Description

The P0123 diagnostic trouble code (DTC) for a 2007 Ford Fusion indicates an issue with the Throttle/Pedal Position Sensor 'A' Circuit being too high. This sensor is crucial for the proper functioning of the vehicle's electronic throttle control system. The throttle position sensor (TPS) is responsible for monitoring the position of the throttle pedal and sending this information to the engine control module (ECM). The ECM uses this data to determine the appropriate amount of air and fuel to deliver to the engine for optimal performance.

OBDII Code P0123 2007 Ford Fusion - Throttle/Pedal Position Sensor 'A' Circuit High
P0123 2007 Ford Fusion Code - Throttle/Pedal Position Sensor 'A' Circuit High

Common Causes of P0123 2007 Ford Fusion

  1. Faulty throttle position sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Corrosion in the sensor connections
  4. Issues with the ECM
  5. Environmental factors such as extreme temperatures affecting sensor performance

Symptoms of P0123 2007 Ford Fusion

  1. Rough idling
  2. Stalling
  3. Poor acceleration
  4. Limp mode activation
  5. Check Engine Light illuminated

How to Fix P0123 2007 Ford Fusion

  1. Begin by diagnosing the issue using a scan tool to confirm the P0123 code and identify the specific cause.
  2. Inspect the throttle position sensor and its wiring for any visible damage or corrosion.
  3. Test the sensor's voltage output using a multimeter to determine if it is within the acceptable range.
  4. Replace the throttle position sensor if it is found to be faulty, ensuring proper installation and calibration.
  5. Clear the DTC and test drive the vehicle to confirm that the issue has been resolved.

Cost to Fix P0123 2007 Ford Fusion

The typical repair costs for addressing a Throttle/Pedal Position Sensor 'A' Circuit High issue can range from $100 to $300, depending on the specific cause of the problem and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate. Keep in mind that rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more competitive pricing.

What does this mean?

Tech Notes for P0123 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 a high 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 P0123 2007 Ford Fusion Code

1. What are the common symptoms of OBDII code P0123 on a 2007 Ford Fusion?

- Common symptoms include a noticeable decrease in engine power, hesitation or stalling when accelerating, and potential issues with the vehicle's idle speed.

2. What are some possible causes of the Throttle/Pedal Position Sensor 'A' Circuit High code on a 2007 Ford Fusion?

- Potential causes may include a faulty throttle position sensor, a short or open circuit in the sensor wiring, or issues with the engine control module.

3. How can I diagnose the cause of OBDII code P0123 on my 2007 Ford Fusion?

- You can use a diagnostic scanner to read the code, test the throttle position sensor using a multimeter, and inspect the sensor wiring for any visible damage or loose connections.

4. Can a dirty throttle body cause OBDII code P0123 on a 2007 Ford Fusion?

- Yes, a dirty or clogged throttle body can disrupt the sensor's readings and lead to a high circuit voltage error, triggering code P0123.

5. What are the repair options for fixing OBDII code P0123 on a 2007 Ford Fusion?

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

6. Is it safe to continue driving my 2007 Ford Fusion with OBDII code P0123?

- It is not recommended to drive the vehicle with this code present, as it can lead to performance issues and potential safety hazards. It's best to address the issue promptly.

7. How much does it typically cost to repair OBDII code P0123 on a 2007 Ford Fusion?

- The cost of repair can vary depending on the specific cause of the code and whether you choose to DIY or take it to a mechanic. Costs may range from $100 to $300 or more.

8. Can a disconnected or loose throttle position sensor connector trigger code P0123 on a 2007 Ford Fusion?

- Yes, a disconnected or loose connector can disrupt the sensor's communication with the engine control module, resulting in a high circuit voltage error.

9. Will resetting the OBDII codes clear P0123 on a 2007 Ford Fusion?

- While clearing the codes may temporarily remove the warning light, the underlying issue causing code P0123 will likely trigger the code again until properly diagnosed and repaired.

10. How long does it take to repair OBDII code P0123 on a 2007 Ford Fusion?

- The repair time can vary depending on the cause of the code and your experience level. Simple fixes like reconnecting a loose connector may take minutes, while sensor replacement could take an hour or more.

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