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P0068 GMC Code - Throttle Body Air Flow Performance

- Code Popularity: 15,568 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
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What are the Possible Causes of the DTC P0068 GMC?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • 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
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How to Fix the DTC P0068 GMC?

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

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0068 GMC code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Lack/Loss of power
  • Engine rough idle

Code P0068 GMC 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 GMC - Throttle Body Air Flow Performance - AutoCodes.com
P0068 GMC Code - Throttle Body Air Flow Performance

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Code P0068 GMC comments

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