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Engine-Codes – GMC – P0267 2015 GMC Sierra

P0267 2015 GMC Sierra Code - Cylinder 3 Injector Control Circuit Low Voltage

Quick Answer

The diagnostic trouble code P0267 in a 2015 GMC Sierra specifically refers to an issue with the Cylinder 3 Injector Control Circuit experiencing low voltage. Common causes include Faulty fuel injector, Wiring issue in the injector control circuit, Malfunctioning engine control module. 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 2015 GMC Sierra indicates Cylinder 3 Injector Control Circuit Low Voltage.
Common causes
Common causes include Faulty fuel injector, Wiring issue in the injector control circuit, Malfunctioning engine control module.
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 Sep 13, 2024
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Code P0267 2015 GMC Sierra Description

The diagnostic trouble code P0267 in a 2015 GMC Sierra specifically refers to an issue with the Cylinder 3 Injector Control Circuit experiencing low voltage. This code indicates that the fuel injector for cylinder 3 is not receiving the proper voltage signal from the engine control module (ECM). The fuel injector is responsible for delivering the precise amount of fuel into the combustion chamber for efficient engine operation. When the voltage to the injector is low, it can lead to a lean fuel mixture, causing the engine to run poorly and potentially misfire.

OBDII Code P0267 2015 GMC Sierra - Cylinder 3 Injector Control Circuit Low Voltage
P0267 2015 GMC Sierra Code - Cylinder 3 Injector Control Circuit Low Voltage

Common Causes of P0267 2015 GMC Sierra

  1. Faulty fuel injector
  2. Wiring issue in the injector control circuit
  3. Malfunctioning engine control module
  4. Poor electrical connection

Symptoms of P0267 2015 GMC Sierra

  1. Rough idle
  2. Hesitation or stumbling during acceleration
  3. Reduced power output
  4. Engine stalling
  5. Check Engine Light illuminated

How to Fix P0267 2015 GMC Sierra

  1. Begin by conducting a visual inspection of the wiring harness and connectors related to the Cylinder 3 fuel injector to check for any visible damage or corrosion. Repair or replace any damaged components.
  2. Use a multimeter to test the voltage at the fuel injector while the engine is running. Compare the measured voltage to the manufacturer's specifications. If the voltage is below the specified range, further diagnosis is needed.
  3. Test the fuel injector resistance to ensure it is within the acceptable range. Replace the fuel injector if it is found to be faulty.
  4. Check the engine control module for any stored fault codes related to the injector circuit. Clear any codes and retest the system to see if the issue persists.
  5. If the problem persists after these steps, consult a professional mechanic or dealership for further diagnosis and potential replacement of the engine control module.

Cost to Fix P0267 2015 GMC Sierra

The typical repair costs for addressing a Cylinder 3 Injector Control Circuit Low Voltage issue in a 2015 GMC Sierra can vary depending on the specific cause of the problem. Replacement of a faulty fuel injector can range from $150 to $300 per injector, while diagnostic testing and labor costs can add an additional $100 to $200. If the issue is related to a wiring problem or engine control module malfunction, the costs can increase accordingly. It is advisable to consult with a trusted mechanic or dealership to obtain a more accurate estimate based on the specific circumstances of the vehicle. Keep in mind that labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150.

What does this mean?

Tech Notes for P0267 2015 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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