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Engine-Codes – Ford – P2128 2006 Ford Fusion

P2128 2006 Ford Fusion Code - Throttle/Pedal Position Sensor/Switch 'E' Circuit High

Quick Answer

The P2128 diagnostic trouble code (DTC) for the 2006 Ford Fusion indicates a problem with the throttle/pedal position sensor/switch 'E' circuit being too high. Common causes include Faulty throttle position sensor, Damaged wiring or connectors in the sensor circuit, Malfunctioning 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
P2128 2006 Ford Fusion indicates Throttle/Pedal Position Sensor/Switch 'E' Circuit High.
Common causes
Common causes include Faulty throttle position sensor, Damaged wiring or connectors in the sensor circuit, Malfunctioning 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 06, 2024
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Code P2128 2006 Ford Fusion Description

The P2128 diagnostic trouble code (DTC) for the 2006 Ford Fusion indicates a problem with the throttle/pedal position sensor/switch 'E' circuit being too high. This sensor is responsible for monitoring the position of the throttle pedal and sending signals to the engine control module (ECM) to adjust the throttle opening accordingly. When the circuit is reading a high voltage signal, it means that the throttle position sensor is sending inaccurate or faulty information to the ECM, which can lead to a variety of performance issues.

OBDII Code P2128 2006 Ford Fusion - Throttle/Pedal Position Sensor/Switch 'E' Circuit High
P2128 2006 Ford Fusion Code - Throttle/Pedal Position Sensor/Switch 'E' Circuit High

Common Causes of P2128 2006 Ford Fusion

  1. Faulty throttle position sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Malfunctioning ECM
  4. Issues with the throttle body
  5. Corrosion or moisture in the sensor circuit

Symptoms of P2128 2006 Ford Fusion

  1. Rough idling or erratic engine behavior
  2. Reduced engine power or acceleration
  3. Stalling or difficulty starting the vehicle
  4. Illumination of the Check Engine Light
  5. Limp mode activation

How to Fix P2128 2006 Ford Fusion

  1. Begin by connecting a diagnostic scanner to retrieve the specific fault code and confirm the issue.
  2. Inspect the throttle position sensor, wiring, and connectors for any visible damage or corrosion.
  3. Test the throttle position sensor using a multimeter to check for proper voltage signals.
  4. Replace the faulty throttle position sensor if necessary, ensuring it is calibrated correctly.
  5. Clear the fault code from the ECM and perform a test drive to confirm that the issue has been resolved.

Cost to Fix P2128 2006 Ford Fusion

The typical repair costs for addressing a P2128 code on a 2006 Ford Fusion can range from $150 to $400, including the cost of a new throttle position sensor and labor. However, the total cost may vary depending on the extent of the damage, the specific parts required, and the labor rates at the repair shop. It is recommended to consult with a professional mechanic or dealership for a more accurate estimate based on your vehicle's specific needs and location.

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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 P2128 2006 Ford Fusion Code

1. What are the common symptoms of OBDII code P2128 on a 2006 Ford Fusion?

- Common symptoms include engine hesitation, reduced engine power, stalling, and the vehicle going into "limp mode."

2. What are the possible causes of OBDII code P2128 on a 2006 Ford Fusion?

- The code P2128 is typically caused by a faulty throttle position sensor, pedal position sensor, wiring issues, or a problem with the electronic throttle control system.

3. How can I diagnose the cause of OBDII code P2128 on my 2006 Ford Fusion?

- Diagnosing the issue involves checking the throttle position sensor and pedal position sensor for proper operation, inspecting the wiring for any damage or loose connections, and using a scan tool to monitor sensor readings.

4. Can I still drive my 2006 Ford Fusion with OBDII code P2128?

- It is not recommended to drive the vehicle with code P2128 as it can lead to unsafe driving conditions and potential damage to the engine.

5. How can I repair OBDII code P2128 on a 2006 Ford Fusion?

- Repairing the code typically involves replacing the faulty throttle position sensor, pedal position sensor, or repairing any damaged wiring in the circuit.

6. Are there any DIY tips for fixing OBDII code P2128 on a 2006 Ford Fusion?

- DIY tips include checking and cleaning the throttle body, ensuring proper electrical connections, and performing a thorough visual inspection of the sensors and wiring.

7. Will resetting the OBDII code P2128 on a 2006 Ford Fusion make it go away permanently?

- Resetting the code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to return.

8. How much does it cost to repair OBDII code P2128 on a 2006 Ford Fusion?

- The cost of repairing code P2128 can vary depending on the specific cause of the issue, but it may range from $100 to $300 for parts and labor.

9. Can a faulty throttle position sensor cause other issues besides triggering OBDII code P2128 on a 2006 Ford Fusion?

- Yes, a faulty throttle position sensor can cause other issues such as poor acceleration, rough idling, and decreased fuel efficiency.

10. Is it safe to continue driving my 2006 Ford Fusion if the throttle position sensor triggers OBDII code P2128?

- It is not safe to continue driving the vehicle if the throttle position sensor triggers code P2128, as it can lead to unpredictable acceleration and potential loss of control while driving.

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