AutoCodes – Ford – P0068 2018 Ford F150

P0068 2018 Ford F150 Code - Manifold Absolute Pressure/Mass Air Flow Sensor - Throttle Position Correlation

Quick Answer

The Powertrain Control Module (PCM) monitors a vehicle operation rationality check by comparing the Throttle Position (TP) to Mass Air Flow (MAF) Sensor readings (if equipped) or to the Manifold Absolute Pressure (MAP) Sensor readings (if equipped). Common causes include Air leak at any connection or line of the intake air system components before or after the Electronic Throttle Body (ETB), Leak in the Positive Crankcase Ventilation (PCV) System, Throttle Position (TP) Sensor not seated correctly. 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 2018 Ford F150 indicates Manifold Absolute Pressure/Mass Air Flow Sensor - Throttle Position Correlation.
Common causes
Common causes include Air leak at any connection or line of the intake air system components before or after the Electronic Throttle Body (ETB), Leak in the Positive Crankcase Ventilation (PCV) System, Throttle Position (TP) Sensor not seated correctly.
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.
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Code Popularity 242
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 09, 2023
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Code P0068 2018 Ford F150 Description

The Powertrain Control Module (PCM) monitors a vehicle operation rationality check by comparing the Throttle Position (TP) to Mass Air Flow (MAF) Sensor readings (if equipped) or to the Manifold Absolute Pressure (MAP) Sensor readings (if equipped). This continuous memory Diagnostic Trouble Code (DTC) sets when during a Key ON, Engine Running (KOER) self-test, the comparison of the readings are not consistent with the calibrated load values.
OBDII Code P0068 2018 Ford F150 - Manifold Absolute Pressure/Mass Air Flow Sensor - Throttle Position Correlation - AutoCodes.com
P0068 2018 Ford F150 Code - Manifold Absolute Pressure/Mass Air Flow Sensor - Throttle Position Correlation

What are the Possible Causes of the DTC P0068 2018 Ford F150?

  • Air leak at any connection or line of the intake air system components before or after the Electronic Throttle Body (ETB)
  • Leak in the Positive Crankcase Ventilation (PCV) System
  • Throttle Position (TP) Sensor not seated correctly
  • Faulty Mass Air Flow (MAF) Sensor (if equipped)
  • Manifold Absolute Pressure (MAP) Sensor (if equipped)
  • Faulty Throttle Position Sensor

How to Fix the DTC P0068 2018 Ford F150?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0068 2018 Ford F150 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0068 2018 Ford F150 code?

Need more information on how to fix the P0068 2018 Ford F150 code? Get Access to Factory Service Manuals

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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 2018 Ford F150 Code

1. What does OBDII code P0068 on a 2018 Ford F150 indicate?

- OBDII code P0068 on a 2018 Ford F150 indicates a potential issue with the Manifold Absolute Pressure/Mass Air Flow Sensor - Throttle Position Correlation.

2. What are the common symptoms of OBDII code P0068 on a 2018 Ford F150?

- Common symptoms of OBDII code P0068 may include engine stalling, rough idling, poor acceleration, reduced fuel efficiency, and illuminated Check Engine Light.

3. What are the possible causes of OBDII code P0068 on a 2018 Ford F150?

- The possible causes of OBDII code P0068 include a faulty MAP sensor, MAF sensor, throttle position sensor, intake air leaks, wiring issues, or a problem with the engine control module.

4. How can I diagnose OBDII code P0068 on my 2018 Ford F150?

- Diagnosing OBDII code P0068 may involve using a scan tool to retrieve the code, checking the sensors and related wiring for any visible damage, and performing tests to determine the specific component causing the issue.

5. Can I still drive my 2018 Ford F150 with OBDII code P0068?

- It is not recommended to drive your 2018 Ford F150 with OBDII code P0068, as it can lead to poor engine performance and potential further damage if left unaddressed.

6. How can I repair OBDII code P0068 on my 2018 Ford F150?

- Repairing OBDII code P0068 may involve replacing the faulty MAP sensor, MAF sensor, throttle position sensor, repairing any wiring issues, or addressing intake air leaks to restore proper sensor correlation.

7. Will resetting the Check Engine Light resolve OBDII code P0068 on my 2018 Ford F150?

- Resetting the Check Engine Light may temporarily clear the code, but it will not fix the underlying issue causing OBDII code P0068. It is important to diagnose and repair the root cause of the problem.

8. How much does it cost to fix OBDII code P0068 on a 2018 Ford F150?

- The cost to fix OBDII code P0068 on a 2018 Ford F150 can vary depending on the specific repair needed, such as sensor replacement or wiring repair. It is recommended to consult a professional for an accurate estimate.

9. Can a DIY enthusiast repair OBDII code P0068 on a 2018 Ford F150?

- DIY enthusiasts with automotive repair experience may be able to address OBDII code P0068 by following diagnostic procedures and replacing components like sensors or repairing wiring. However, complex issues may require professional assistance.

10. How often does OBDII code P0068 occur in 2018 Ford F150 vehicles?

- OBDII code P0068 related to the Manifold Absolute Pressure/Mass Air Flow Sensor - Throttle Position Correlation may occur occasionally in 2018 Ford F150 vehicles, usually due to sensor failures or related issues.

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