Engine-Codes.com
Engine-Codes – Chevrolet – P067A Chevrolet

P067A Chevrolet Code - Cylinder 4 Glow Plug Control Circuit Low Voltage

Quick Answer

The P067A code for Chevrolet vehicles indicates an issue with the Cylinder 4 Glow Plug Control Circuit experiencing low voltage. Common causes include Faulty glow plug in Cylinder 4, Wiring issues or loose connections in the glow plug control circuit, Malfunctioning glow plug 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
P067A Chevrolet indicates Cylinder 4 Glow Plug Control Circuit Low Voltage.
Common causes
Common causes include Faulty glow plug in Cylinder 4, Wiring issues or loose connections in the glow plug control circuit, Malfunctioning glow plug 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 11, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P067A Chevrolet Description

The P067A code for Chevrolet vehicles indicates an issue with the Cylinder 4 Glow Plug Control Circuit experiencing low voltage. Glow plugs are essential components in diesel engines, aiding in the ignition process by heating the air in the combustion chamber. When the glow plug control circuit in Cylinder 4 is not receiving sufficient voltage, it can lead to difficulties in starting the engine, reduced fuel efficiency, increased emissions, and potentially engine misfires.

OBDII Code P067A Chevrolet - Cylinder 4 Glow Plug Control Circuit Low Voltage
P067A Chevrolet Code - Cylinder 4 Glow Plug Control Circuit Low Voltage

Common Causes of P067A Chevrolet

  1. Faulty glow plug in Cylinder 4
  2. Wiring issues or loose connections in the glow plug control circuit
  3. Malfunctioning glow plug control module
  4. Electrical system issues such as a blown fuse or relay failure
  5. Corrosion or damage to the glow plug terminals

Symptoms of P067A Chevrolet

  1. Difficulty starting the engine, especially in cold weather
  2. Reduced engine power and acceleration
  3. Increased fuel consumption
  4. Engine misfires or rough idling
  5. Illumination of the check engine light on the dashboard

How to Fix P067A Chevrolet

  1. Begin by diagnosing the specific cause of the low voltage issue in the Cylinder 4 glow plug control circuit using a diagnostic scanner.
  2. Inspect the glow plug in Cylinder 4 for any signs of damage or wear and replace if necessary.
  3. Check the wiring and connections in the glow plug control circuit for any loose connections, corrosion, or damage, and repair as needed.
  4. Test the glow plug control module for proper functioning and replace if found to be faulty.
  5. Clear the diagnostic trouble codes and test the vehicle to ensure that the issue has been resolved.

Cost to Fix P067A Chevrolet

The typical repair costs for addressing a Cylinder 4 Glow Plug Control Circuit Low Voltage issue in a Chevrolet vehicle can range from $150 to $400, including parts and labor. However, actual costs may vary based on the specific diagnosis time, labor rates, and the extent of repairs needed. It is recommended to consult with a professional mechanic or auto repair shop to obtain a more accurate estimate based on the individual vehicle's make, model, and location.

Need more information about the P067A Chevrolet code?

Need more information on how to fix the P067A Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P067A Chevrolet code diagnosed by a professional: Find a repair shop in your area

Information for Specific Chevrolet Models

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 P067A Chevrolet Code

1. What does the OBDII code P067A mean for a Chevrolet?

P067A indicates a low voltage issue in the Cylinder 4 Glow Plug Control Circuit, which affects the glow plug's ability to heat properly.

2. What are the common symptoms of code P067A on a Chevrolet?

Symptoms may include difficulty starting the engine in cold weather, rough idling, poor fuel efficiency, and an illuminated check engine light.

3. What causes the P067A code on a Chevrolet?

Common causes include a faulty glow plug, damaged wiring or connectors in the glow plug circuit, a failing glow plug control module, or corrosion in the electrical system.

4. Can I drive my Chevrolet with a P067A code?

While the vehicle may still be drivable, ignoring this code can lead to harder cold starts and potential damage to other components over time.

5. How do I diagnose the P067A code on a Chevrolet?

Diagnosis involves inspecting the glow plug for Cylinder 4, checking the wiring and connectors for damage, and testing the glow plug control module with a multimeter.

6. How do I fix the P067A code on my Chevrolet?

Repairs may include replacing the faulty glow plug, repairing damaged wiring or connectors, or replacing the glow plug control module if necessary.

7. How much does it cost to fix the P067A code on a Chevrolet?

Costs vary depending on the extent of repairs, but glow plug replacement typically ranges from $100 to $300, including parts and labor.

8. Can a faulty glow plug cause engine damage if not fixed?

A faulty glow plug typically won't cause engine damage directly, but prolonged issues can lead to harder starts and increased wear on the starter and battery.

9. How can I prevent OBDII code P067A from occurring?

Regular maintenance, including checking and cleaning electrical connections and timely replacement of worn glow plugs, can help prevent this code.

10. Does the P067A code only affect diesel Chevrolet vehicles?

Yes, this code is specific to diesel engines since they use glow plugs to assist with cold starts.

Discuss the causes and fixes for P067A Chevrolet OBDII Code

Submit a New Comment

Code P067A Chevrolet comments

No comments found for this page.