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P1120 2010 Ford Fusion Code - Throttle Position Sensor Out of Range

Quick Answer

The P1120 diagnostic trouble code (DTC) for a 2010 Ford Fusion indicates that the Throttle Position Sensor (TPS) is out of range. Common causes include Worn or faulty Throttle Position Sensor, Wiring or connector issues, 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
P1120 2010 Ford Fusion indicates Throttle Position Sensor Out of Range.
Common causes
Common causes include Worn or faulty Throttle Position Sensor, Wiring or connector issues, 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 14, 2024
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Code P1120 2010 Ford Fusion Description

The P1120 diagnostic trouble code (DTC) for a 2010 Ford Fusion indicates that the Throttle Position Sensor (TPS) is out of range. The TPS is a crucial component of the vehicle's electronic throttle control system, as it monitors the position of the throttle pedal and sends this information to the engine control module (ECM). When the TPS is out of range, it means that the signal it is sending to the ECM is not within the expected parameters, which can lead to various performance issues.

OBDII Code P1120 2010 Ford Fusion - Throttle Position Sensor Out of Range
P1120 2010 Ford Fusion Code - Throttle Position Sensor Out of Range

Common Causes of P1120 2010 Ford Fusion

  1. Worn or faulty Throttle Position Sensor
  2. Wiring or connector issues
  3. Malfunctioning ECM
  4. Dirty throttle body
  5. Intake air leaks

Symptoms of P1120 2010 Ford Fusion

  1. Poor acceleration or hesitation
  2. Rough idling or stalling
  3. Erratic behavior while driving
  4. Check Engine Light illuminated

How to Fix P1120 2010 Ford Fusion

  1. Diagnose the issue by using a scan tool to read the DTC and inspecting the TPS, wiring, and connectors for any visible damage.
  2. Replace the Throttle Position Sensor if it is found to be faulty. Ensure the new sensor is calibrated correctly.
  3. Clean the throttle body to remove any carbon buildup that may be affecting its performance.
  4. Check for and repair any wiring or connector issues that may be causing the problem.
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1120 2010 Ford Fusion

The typical repair costs for a Throttle Position Sensor out of range issue can vary depending on the specific cause of the problem and the cost of parts and labor. In general, replacing a faulty TPS can cost between $100 and $200, including parts and labor. However, if additional repairs or diagnostic work are needed, the total cost may be higher. It's important to note that labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. It's advisable to check with local shops for a more accurate estimate based on your location and vehicle.

When is the Code Detected?

Malfunction is detected when voltage from the sensor is sent to Engine Control Module (ECM) is out of range.

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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 P1120 2010 Ford Fusion Code

1. What are the common symptoms of OBDII code P1120 in a 2010 Ford Fusion?

- Common symptoms of code P1120 include rough idling, poor acceleration, stalling, and the Check Engine light illuminating on the dashboard.

2. What does the OBDII code P1120 indicate in a 2010 Ford Fusion?

- OBDII code P1120 in a 2010 Ford Fusion indicates that the throttle position sensor is out of range, signaling a problem with the sensor's readings.

3. What are the potential causes of OBDII code P1120 in a 2010 Ford Fusion?

- The potential causes of code P1120 can include a faulty throttle position sensor, wiring issues, a dirty throttle body, or a problem with the vehicle's electronic control module.

4. How can I diagnose the OBDII code P1120 in my 2010 Ford Fusion?

- Diagnosing code P1120 involves using an OBDII scanner to retrieve the code, checking the throttle position sensor's voltage readings, inspecting the wiring for damage, and ensuring proper connection to the sensor.

5. Can I continue driving my 2010 Ford Fusion with OBDII code P1120?

- It is not recommended to continue driving with code P1120 as it can lead to further damage to the vehicle's engine and drivability issues. It is best to address the issue promptly.

6. How can I repair OBDII code P1120 in my 2010 Ford Fusion?

- Repairing code P1120 may involve replacing the throttle position sensor, cleaning the throttle body, repairing any damaged wiring, or resetting the electronic control module.

7. Is it possible to reset OBDII code P1120 in a 2010 Ford Fusion without repairs?

- While clearing the code with an OBDII scanner may temporarily turn off the Check Engine light, the underlying issue causing code P1120 will persist until properly addressed through repairs.

8. Can a DIYer fix OBDII code P1120 in a 2010 Ford Fusion?

- DIYers with automotive repair experience may be able to address code P1120 by following repair guides, but it is recommended to consult a professional mechanic for accurate diagnosis and repair.

9. How much does it cost to repair OBDII code P1120 in a 2010 Ford Fusion?

- The cost of repairing code P1120 can vary depending on the specific issue causing the code, but it may range from $100 to $300 for parts and labor, excluding diagnostic fees.

10. Will OBDII code P1120 cause my 2010 Ford Fusion to fail an emissions test?

- Yes, code P1120 can cause your 2010 Ford Fusion to fail an emissions test as it indicates a problem with the throttle position sensor, which is crucial for proper engine performance and emissions control.

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