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Engine-Codes – Ford – P0720 2008 Ford Fusion

P0720 2008 Ford Fusion Code - Output Shaft Speed Sensor Circuit Malfunction

Quick Answer

The P0720 diagnostic trouble code (DTC) for a 2008 Ford Fusion indicates a malfunction in the Output Shaft Speed Sensor Circuit. Common causes include Faulty output shaft speed sensor, Damaged wiring or connectors in the sensor circuit, Malfunctioning transmission control module. 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
P0720 2008 Ford Fusion indicates Output Shaft Speed Sensor Circuit Malfunction.
Common causes
Common causes include Faulty output shaft speed sensor, Damaged wiring or connectors in the sensor circuit, Malfunctioning transmission control module.
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 12, 2024
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Code P0720 2008 Ford Fusion Description

The P0720 diagnostic trouble code (DTC) for a 2008 Ford Fusion indicates a malfunction in the Output Shaft Speed Sensor Circuit. The output shaft speed sensor is a vital component of the vehicle's transmission system, responsible for monitoring the speed of the output shaft of the transmission. This information is crucial for the proper functioning of the transmission control module, which uses the data to determine shift points, torque converter lock-up, and other transmission functions.

OBDII Code P0720 2008 Ford Fusion - Output Shaft Speed Sensor Circuit Malfunction
P0720 2008 Ford Fusion Code - Output Shaft Speed Sensor Circuit Malfunction

Common Causes of P0720 2008 Ford Fusion

  1. Faulty output shaft speed sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Malfunctioning transmission control module
  4. Issues with the engine control module
  5. Electrical issues such as shorts or open circuits

Symptoms of P0720 2008 Ford Fusion

  1. Erratic shifting patterns
  2. Harsh or delayed gear shifts
  3. Transmission slippage
  4. Illumination of the Check Engine Light
  5. Reduced fuel efficiency

How to Fix P0720 2008 Ford Fusion

  1. Consult a professional mechanic or use a diagnostic scan tool to confirm the P0720 code.
  2. Inspect the output shaft speed sensor, wiring, and connectors for any visible damage or corrosion.
  3. Test the output shaft speed sensor using a multimeter to check for proper resistance and voltage readings.
  4. Replace the output shaft speed sensor if it is found to be faulty.
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0720 2008 Ford Fusion

The typical repair costs for addressing a P0720 code in a 2008 Ford Fusion can vary depending on the exact cause of the issue. Replacement of the output shaft speed sensor itself can range from $100 to $200, while labor costs can add an additional $100 to $200. Overall, the total repair cost can fall within the range of $200 to $400. However, as mentioned earlier, specific 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.

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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 P0720 2008 Ford Fusion Code

1. What are the common symptoms of OBDII code P0720 on a 2008 Ford Fusion?

The common symptoms of OBDII code P0720 include erratic or non-functional speedometer readings, harsh shifting or failure to shift gears, and an illuminated check engine light.

2. What does the OBDII code P0720 indicate on a 2008 Ford Fusion?

The OBDII code P0720 indicates a malfunction in the output shaft speed sensor circuit, specifically related to the speed sensor located on the transmission.

3. What are the possible causes of OBDII code P0720 on a 2008 Ford Fusion?

Possible causes of OBDII code P0720 include a faulty output shaft speed sensor, damaged wiring or connectors in the speed sensor circuit, or issues with the transmission control module.

4. How can I diagnose the OBDII code P0720 on my 2008 Ford Fusion?

Diagnosing OBDII code P0720 involves using a scan tool to retrieve the trouble codes, checking the output shaft speed sensor and its circuit for any visible damage, and testing the sensor's resistance and output signal.

5. Can I continue driving my 2008 Ford Fusion with OBDII code P0720?

It is not recommended to continue driving your Ford Fusion with OBDII code P0720 as it can lead to further transmission damage and potentially unsafe driving conditions.

6. How can I repair OBDII code P0720 on my 2008 Ford Fusion?

Repairing OBDII code P0720 involves replacing the faulty output shaft speed sensor, repairing any damaged wiring or connectors in the circuit, and clearing the trouble codes with a scan tool.

7. Is it possible to reset OBDII code P0720 on a 2008 Ford Fusion without making repairs?

Resetting OBDII code P0720 without addressing the underlying issue will not solve the problem, as the code is likely to reappear once the vehicle is driven and the fault is detected again.

8. Can a DIY enthusiast fix OBDII code P0720 on a 2008 Ford Fusion?

While some DIY enthusiasts may be able to replace the output shaft speed sensor themselves, diagnosing and repairing the root cause of OBDII code P0720 may require professional expertise and specialized tools.

9. How much does it cost to repair OBDII code P0720 on a 2008 Ford Fusion?

The cost of repairing OBDII code P0720 on a 2008 Ford Fusion can vary depending on the extent of the damage, the parts needed for replacement, and whether the repair is done by a professional mechanic or DIY enthusiast.

10. Can OBDII code P0720 on a 2008 Ford Fusion cause other issues if left unresolved?

If left unresolved, OBDII code P0720 can lead to further transmission problems, poor vehicle performance, and potential safety hazards while driving. It is essential to address this issue promptly.

Discuss the causes and fixes for P0720 2008 Ford Fusion OBDII Code

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  • I'm looking for a P0715 Code page for the '08 Ford Fusion 4Cyl. I could only find it for Make (Ford) but not specific to Fusion. I am looking for the location of the Speed Sensor location for this error. I believe it is the Turbine Shaft Sensor, is that correct? Thank you for your help.

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