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P0068 2009 Ford Fusion Code - Manifold Absolute Pressure/Mass Air Flow Sensor - Throttle Position Correlation

Quick Answer

The P0068 diagnostic trouble code (DTC) for a 2009 Ford Fusion indicates a problem with the correlation between the Manifold Absolute Pressure (MAP) sensor, Mass Air Flow (MAF) sensor, and Throttle Position Sensor (TPS). Common causes include Faulty MAP sensor, Faulty MAF sensor, Faulty TPS. 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
P0068 2009 Ford Fusion indicates Manifold Absolute Pressure/Mass Air Flow Sensor - Throttle Position Correlation.
Common causes
Common causes include Faulty MAP sensor, Faulty MAF sensor, Faulty TPS.
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 Aug 30, 2024
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Code P0068 2009 Ford Fusion Description

The P0068 diagnostic trouble code (DTC) for a 2009 Ford Fusion indicates a problem with the correlation between the Manifold Absolute Pressure (MAP) sensor, Mass Air Flow (MAF) sensor, and Throttle Position Sensor (TPS). These sensors are crucial for the engine management system to accurately calculate air intake and throttle position, essential for proper fuel delivery and combustion. When the correlation between these sensors is off, it can lead to issues with engine performance, fuel efficiency, and emissions.

OBDII Code P0068 2009 Ford Fusion - Manifold Absolute Pressure/Mass Air Flow Sensor - Throttle Position Correlation
P0068 2009 Ford Fusion Code - Manifold Absolute Pressure/Mass Air Flow Sensor - Throttle Position Correlation

Common Causes of P0068 2009 Ford Fusion

  1. Faulty MAP sensor
  2. Faulty MAF sensor
  3. Faulty TPS
  4. Wiring or connector issues
  5. Vacuum leaks

Symptoms of P0068 2009 Ford Fusion

  1. Rough idling
  2. Engine stalling
  3. Reduced fuel efficiency
  4. Hesitation during acceleration
  5. Illumination of the Check Engine Light

How to Fix P0068 2009 Ford Fusion

  1. Begin by diagnosing the specific sensor(s) causing the correlation issue using a scan tool.
  2. Inspect the wiring and connectors for any damage or corrosion, repairing or replacing as necessary.
  3. Test the MAP sensor, MAF sensor, and TPS individually to identify any faulty components.
  4. Replace any faulty sensors with OEM or high-quality aftermarket replacements.
  5. Clear the DTCs and perform a test drive to ensure the issue has been resolved.

Cost to Fix P0068 2009 Ford Fusion

The cost of repairing a P0068 code on a 2009 Ford Fusion can vary depending on the specific cause of the issue and the cost of parts and labor. Typically, replacing a sensor can cost between $100 to $300, with additional costs for diagnostic time and labor. In total, the repair could range from $200 to $500 or more, depending on the extent of the issue and the shop's hourly rates. It's recommended to get a detailed estimate from a trusted mechanic before proceeding with the repair.

What does this mean?

Tech Notes for P0068 2009 Ford Fusion

Check for intake leaks if none are found, you can try to clean the air flow meter with mass air flow sensor cleaner and the throttle plate which gets dirty and may cause the Throttle Position (TP) sensor to give an incorrect reading.

When is the Code Detected?

The Powertrain Control Module (PCM) monitors operation rationality check by comparing sensed throttle position to mass air flow readings

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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 P0068 2009 Ford Fusion Code

1. What are the common symptoms of OBDII code P0068 on a 2009 Ford Fusion?

- Common symptoms include poor engine performance, rough idling, stalling, reduced fuel efficiency, and illuminated Check Engine Light.

2. What does OBDII code P0068 for a 2009 Ford Fusion indicate?

- OBDII code P0068 indicates an issue with the correlation between the Manifold Absolute Pressure sensor, Mass Air Flow sensor, and Throttle Position sensor.

3. What are the possible causes of OBDII code P0068 on a 2009 Ford Fusion?

- Possible causes include a faulty MAP sensor, MAF sensor, or Throttle Position sensor, wiring or connector issues, vacuum leaks, or a problem with the intake system.

4. How can I diagnose the cause of OBDII code P0068 on my 2009 Ford Fusion?

- Diagnosis involves checking the sensors for proper operation, inspecting the wiring and connectors for damage, verifying vacuum integrity, and performing a thorough inspection of the intake system.

5. Can OBDII code P0068 on a 2009 Ford Fusion be fixed at home?

- Depending on the cause, some DIY repairs may be possible, such as sensor replacement or fixing wiring issues. However, complex diagnosis and repairs may require professional assistance.

6. Is it safe to continue driving with OBDII code P0068 on a 2009 Ford Fusion?

- It is not recommended to drive with a P0068 code as it can lead to poor engine performance and potential damage if left unresolved. It's best to address the issue promptly.

7. How much does it typically cost to repair OBDII code P0068 on a 2009 Ford Fusion?

- The cost of repair can vary based on the underlying cause. Sensor replacements can range from $50 to $200 each, while more complex issues like wiring repairs or intake system fixes may cost more.

8. Can a dirty air filter cause OBDII code P0068 on a 2009 Ford Fusion?

- A dirty air filter can disrupt the proper functioning of the sensors involved in this code, but it is not a direct cause. It's still recommended to keep the air filter clean for optimal engine performance.

9. Will resetting the Check Engine Light resolve OBDII code P0068 on a 2009 Ford Fusion?

- Resetting the Check Engine Light may temporarily turn it off, but it will not fix the underlying issue causing the code. The problem should be diagnosed and repaired to prevent further issues.

10. How long does it take to repair OBDII code P0068 on a 2009 Ford Fusion?

- The repair time can vary based on the specific cause of the code. Simple sensor replacements may take an hour or two, while more complex issues could require several hours or a day at the mechanic.

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