Engine-CodesGMC – P0267 2014 GMC Sierra

P0267 2014 GMC Sierra Code - Cylinder 3 Injector Control Circuit Low Voltage

Quick Answer

The diagnostic trouble code P0267 for a 2014 GMC Sierra indicates an issue with the Cylinder 3 Injector Control Circuit, specifically detecting low voltage. Common causes include Faulty injector, Wiring or connector issues in the injector control circuit, ECM malfunction. 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
P0267 2014 GMC Sierra indicates Cylinder 3 Injector Control Circuit Low Voltage.
Common causes
Common causes include Faulty injector, Wiring or connector issues in the injector control circuit, ECM malfunction.
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.
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P0267 2014 GMC Sierra Description

The diagnostic trouble code P0267 for a 2014 GMC Sierra indicates an issue with the Cylinder 3 Injector Control Circuit, specifically detecting low voltage. In a fuel-injected engine, each cylinder has its own injector that delivers the appropriate amount of fuel into the combustion chamber. The injector control circuit is responsible for regulating the pulse width of the injector, controlling the amount of fuel delivered based on engine parameters such as load and throttle position.

OBDII Code P0267 2014 GMC Sierra - Cylinder 3 Injector Control Circuit Low Voltage
P0267 2014 GMC Sierra Code - Cylinder 3 Injector Control Circuit Low Voltage

Common Causes of P0267 2014 GMC Sierra

  1. Faulty injector
  2. Wiring or connector issues in the injector control circuit
  3. ECM malfunction
  4. Poor electrical connection
  5. Fuel system issues affecting injector performance

Symptoms of P0267 2014 GMC Sierra

  1. Rough idling or engine misfires
  2. Reduced fuel efficiency
  3. Lack of power or hesitation during acceleration
  4. Illuminated check engine light
  5. Engine stalling or difficulty starting

How to Fix P0267 2014 GMC Sierra

  1. Perform a visual inspection of the injector and its wiring harness to check for any visible damage or loose connections.
  2. Use a multimeter to test the voltage output of the injector control circuit to determine if it is indeed low.
  3. Test the injector resistance to ensure it is within specifications.
  4. Replace the faulty injector if necessary, ensuring proper installation and connection.
  5. Clear the trouble code from the ECM memory and perform a test drive to verify that the issue has been resolved.

Cost to Fix P0267 2014 GMC Sierra

The cost of repairing a Cylinder 3 Injector Control Circuit Low Voltage issue on a 2014 GMC Sierra can vary depending on the specific cause of the problem. In general, the cost of a new fuel injector can range from $100 to $300, with additional labor costs for installation. The total repair cost, including parts and labor, could range from $200 to $500 or more. It is advisable to consult with a certified mechanic or auto repair shop to get an accurate estimate based on the specific diagnosis and repair needed for your vehicle.

Tech Notes for P0267 2014 GMC Sierra

A clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before replacing the injector.

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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.

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