Engine-CodesBuick – P0267 Buick

P0267 Buick Code - Cylinder 3 Injector Control Circuit Low Voltage

Quick Answer

The P0267 Buick code indicates that there is a low voltage condition in the control circuit of the fuel injector for cylinder 3. Common causes include Faulty fuel injector, Wiring issues in the injector control circuit, Defective Engine Control Module (ECM). 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 Buick indicates Cylinder 3 Injector Control Circuit Low Voltage.
Common causes
Common causes include Faulty fuel injector, Wiring issues in the injector control circuit, Defective Engine Control Module (ECM).
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 10, 2024
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Code P0267 Buick Description

The P0267 Buick code indicates that there is a low voltage condition in the control circuit of the fuel injector for cylinder 3. This means that the fuel injector responsible for delivering fuel to cylinder 3 is not receiving enough power to operate properly. The fuel injector plays a crucial role in the engine's combustion process by spraying fuel into the cylinder at the right time and in the right amount. When the control circuit voltage is too low, it can lead to issues with fuel delivery, resulting in poor engine performance, misfires, and increased emissions.

OBDII Code P0267 Buick - Cylinder 3 Injector Control Circuit Low Voltage
P0267 Buick Code - Cylinder 3 Injector Control Circuit Low Voltage

Common Causes of P0267 Buick

  1. Faulty fuel injector
  2. Wiring issues in the injector control circuit
  3. Defective Engine Control Module (ECM)
  4. Poor electrical connection
  5. Corrosion or damage to electrical components

Symptoms of P0267 Buick

  1. Rough idling
  2. Hesitation during acceleration
  3. Decreased fuel efficiency
  4. Engine stalling
  5. Check Engine Light illuminated

How to Fix P0267 Buick

  1. Use a diagnostic scan tool to confirm the P0267 code and check for any additional related codes.
  2. Inspect the wiring harness and connectors for any visible damage or corrosion. Repair or replace as needed.
  3. Test the fuel injector for proper operation and replace if faulty.
  4. Check the voltage and resistance in the control circuit to ensure it is within specifications.
  5. Clear the trouble codes, reset the ECM, and test drive the vehicle to verify that the issue has been resolved.

Cost to Fix P0267 Buick

The cost of repairing a P0267 Buick code can vary depending on the specific cause of the issue. In general, the cost of replacing a fuel injector can range from $150 to $300, while repairing wiring issues or replacing the ECM can cost between $200 and $500. Labor costs at auto repair shops typically range from $80 to $150 per hour. It is advisable to consult with a professional mechanic to get an accurate estimate based on the vehicle make and model, as well as the extent of the repair needed.

Tech Notes for P0267 Buick

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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