Engine-CodesFord – P0221 2007 Ford Fusion

P0221 2007 Ford Fusion Code - Throttle/Pedal Position Sensor/Switch 'B' Circuit

Quick Answer

The diagnostic trouble code (DTC) P0221 for a 2007 Ford Fusion refers to an issue with the Throttle/Pedal Position Sensor/Switch 'B' Circuit. Common causes include Faulty throttle or pedal position sensor, Damaged wiring or connectors in the circuit, Corrosion or contamination in the sensor or wiring. 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
P0221 2007 Ford Fusion indicates Throttle/Pedal Position Sensor/Switch 'B' Circuit .
Common causes
Common causes include Faulty throttle or pedal position sensor, Damaged wiring or connectors in the circuit, Corrosion or contamination in the sensor or wiring.
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 12, 2024
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Code P0221 2007 Ford Fusion Description

The diagnostic trouble code (DTC) P0221 for a 2007 Ford Fusion refers to an issue with the Throttle/Pedal Position Sensor/Switch 'B' Circuit. This code indicates that there is a problem with the electrical circuit associated with the throttle or pedal position sensor or switch, specifically in circuit 'B'. The throttle position sensor (TPS) is a crucial component of the vehicle's electronic throttle control system, responsible for monitoring the position of the throttle pedal and sending signals to the engine control module (ECM) to adjust the throttle opening accordingly.

OBDII Code P0221 2007 Ford Fusion - Throttle/Pedal Position Sensor/Switch 'B' Circuit
P0221 2007 Ford Fusion Code - Throttle/Pedal Position Sensor/Switch 'B' Circuit

Common Causes of P0221 2007 Ford Fusion

  1. Faulty throttle or pedal position sensor
  2. Damaged wiring or connectors in the circuit
  3. Corrosion or contamination in the sensor or wiring
  4. ECM software or hardware issues
  5. Mechanical issues with the throttle body or pedal assembly

Symptoms of P0221 2007 Ford Fusion

  1. Check Engine Light illuminated
  2. Poor acceleration or lack of response when pressing the accelerator pedal
  3. Rough idling or engine stalling
  4. Reduced fuel efficiency
  5. Vehicle going into limp mode

How to Fix P0221 2007 Ford Fusion

  1. Diagnose the issue using a scan tool to confirm the P0221 code and identify the specific component causing the problem.
  2. Inspect the wiring, connectors, and sensor for any damage, corrosion, or contamination. Repair or replace as needed.
  3. Test the throttle or pedal position sensor using a multimeter to ensure it is functioning properly.
  4. Clear the DTC and reset the ECM to see if the code returns. If it does, further diagnostics may be required.
  5. Road test the vehicle to ensure the issue has been resolved and the symptoms have been eliminated.

Cost to Fix P0221 2007 Ford Fusion

The typical repair costs for addressing a P0221 code on a 2007 Ford Fusion can vary depending on the specific cause of the issue. In general, replacing a faulty throttle or pedal position sensor can cost between $100 and $300, while addressing wiring or connector issues may range from $50 to $150. Labor costs can add an additional $80 to $150 per hour, and the total repair bill can amount to $200 to $500 or more. It's important to note that these are rough estimates, and actual costs can vary based on the location of the repair shop, the make and model of the vehicle, and the extent of the repairs needed. It's recommended to consult with a trusted mechanic or dealership to get a more accurate estimate for repairing a P0221 code on a 2007 Ford Fusion.

When is the Code Detected?

An unexpected voltage from the Throttle Position Sensor (TPS) is sent to Engine Control Module (ECM).

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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 P0221 2007 Ford Fusion Code

1. What does OBDII code P0221 mean on a 2007 Ford Fusion?

Code P0221 indicates a problem with the Throttle/Pedal Position Sensor/Switch 'B' Circuit, specifically that its performance is outside the expected range.

2. What are the symptoms of code P0221 on a 2007 Ford Fusion?

Common symptoms include poor throttle response, reduced engine power, the vehicle going into "limp mode," and potentially the illumination of the check engine light.

3. What causes code P0221 to appear on a 2007 Ford Fusion?

Possible causes include a faulty throttle position sensor (TPS), damaged wiring or connectors in the sensor circuit, a malfunctioning accelerator pedal position sensor, or a failing engine control module (ECM).

4. Is it safe to drive a 2007 Ford Fusion with code P0221?

Driving with this code is not recommended, as the vehicle may experience reduced performance or enter limp mode, which can compromise safety.

5. How do I diagnose code P0221 on a 2007 Ford Fusion?

Start by inspecting the throttle position sensor and its wiring for damage or loose connections. Use a scan tool to monitor live data for abnormalities in throttle or pedal position readings.

6. Can a dirty throttle body cause code P0221 on a 2007 Ford Fusion?

While code P0221 is more likely caused by sensor or circuit issues, a dirty throttle body can sometimes contribute to erratic throttle performance and should be cleaned as part of troubleshooting.

7. How is code P0221 fixed on a 2007 Ford Fusion?

Repairs may involve replacing the throttle position sensor, repairing or replacing damaged wiring or connectors, recalibrating the throttle system, or replacing the ECM if necessary.

8. How much does it cost to fix code P0221 on a 2007 Ford Fusion?

Repair costs can vary, but replacing a throttle position sensor typically ranges from $150 to $300, including parts and labor, while wiring repairs may vary based on complexity.

9. Can a faulty accelerator pedal cause code P0221 on a 2007 Ford Fusion?

Yes, a malfunctioning accelerator pedal position sensor can trigger code P0221, as it is part of the throttle control system.

10. Do I need to clear code P0221 after repairs on a 2007 Ford Fusion?

Yes, after completing repairs, use an OBDII scan tool to clear the code and confirm that it does not return during a test drive.

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