AutoCodes – Chevrolet – P0068 2017 Chevrolet Silverado

P0068 2017 Chevrolet Silverado Code - Throttle Body Air Flow Performance

Quick Answer

The Engine Control Module (ECM) compares actual air flow based on Throttle Position (TP) to a calculated air flow based on the Manifold Absolute Pressure (MAP) sensor, and Mass Air Flow (MAF). Common causes include Air leak between the Mass Air Flow (MAF) sensor and Throttle Body, Restricted Air Filter, Dirty Throttle Body. 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 2017 Chevrolet Silverado indicates Throttle Body Air Flow Performance.
Common causes: Common causes include Air leak between the Mass Air Flow (MAF) sensor and Throttle Body, Restricted Air Filter, Dirty Throttle Body.
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 520

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 16, 2022

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0068 2017 Chevrolet Silverado Description

The Engine Control Module (ECM) compares actual air flow based on Throttle Position (TP) to a calculated air flow based on the Manifold Absolute Pressure (MAP) sensor, and Mass Air Flow (MAF). The Diagnostic Trouble Code (DTC) will be set if the ECM detects that the actual air flow rate is greater than the calculated air flow.

OBDII Code P0068 2017 Chevrolet Silverado - Throttle Body Air Flow Performance - AutoCodes.com — P0068 2017 Chevrolet Silverado Code - Throttle Body Air Flow Performance

What does this mean?

What are the Possible Causes of the DTC P0068 2017 Chevrolet Silverado?

Air leak between the Mass Air Flow (MAF) sensor and Throttle Body
Restricted Air Filter
Dirty Throttle Body
Dirty Mass Air Flow sensor
Faulty Mass Air Flow sensor
Faulty Manifold Absolute Pressure (MAP)
Faulty Throttle Body

How to Fix the DTC P0068 2017 Chevrolet Silverado?

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 2017 Chevrolet Silverado 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 2017 Chevrolet Silverado code?

Need more information on how to fix the P0068 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 2017 Chevrolet Silverado Code

1. What does OBDII code P0068 on a 2017 Chevrolet Silverado indicate?

- Code P0068 indicates a detected issue with the throttle body air flow performance in the vehicle.

2. What are the common symptoms of OBDII code P0068 in a 2017 Chevrolet Silverado?

- Common symptoms include reduced engine power, stalling, rough idling, and the illumination of the check engine light.

3. What are the potential causes of OBDII code P0068 on a 2017 Chevrolet Silverado?

- The code P0068 can be triggered by a faulty throttle body, a dirty or clogged air filter, a vacuum leak, or issues with the Mass Air Flow (MAF) sensor.

4. How can I diagnose the cause of OBDII code P0068 on my 2017 Chevrolet Silverado?

- Diagnosis typically involves inspecting the throttle body for any dirt or carbon buildup, checking the air filter for blockages, inspecting vacuum lines for leaks, and testing the MAF sensor.

5. Can I drive my 2017 Chevrolet Silverado with OBDII code P0068?

- It is not recommended to drive the vehicle with code P0068 as it can lead to further damage and unsafe driving conditions. It is best to address the issue promptly.

6. How can I repair OBDII code P0068 on a 2017 Chevrolet Silverado?

- Repair methods may include cleaning or replacing the throttle body, replacing the air filter, fixing any vacuum leaks, or replacing the MAF sensor if necessary.

7. Will resetting the check engine light resolve OBDII code P0068 on a 2017 Chevrolet Silverado?

- Resetting the check engine light may temporarily turn it off, but it will not fix the underlying issue causing code P0068. It is important to diagnose and repair the problem.

8. How much does it cost to fix OBDII code P0068 on a 2017 Chevrolet Silverado?

- The cost of fixing code P0068 can vary depending on the specific cause and the repair needed. Costs may include parts and labor for cleaning, replacing components, or fixing leaks.

9. Can a DIY enthusiast fix OBDII code P0068 on a 2017 Chevrolet Silverado?

- Depending on the skill level and experience of the individual, some DIY enthusiasts may be able to address code P0068 by following repair guides and using the necessary tools.

10. How often does OBDII code P0068 occur in 2017 Chevrolet Silverado vehicles?

- While the frequency of code P0068 can vary, it is not uncommon in 2017 Chevrolet Silverado vehicles, especially as they age and components wear out. Regular maintenance can help prevent such issues.