Engine-CodesAudi – P0067 Audi

P0067 Audi Code - Air Assisted Injector Control Circuit High

Quick Answer

The P0067 diagnostic trouble code (DTC) for Audi vehicles indicates a problem with the Air Assisted Injector Control Circuit being too high. Common causes include Faulty air assisted injector, Wiring or connector issues in the 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
P0067 Audi indicates Air Assisted Injector Control Circuit High.
Common causes
Common causes include Faulty air assisted injector, Wiring or connector issues in the 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 10, 2024
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Code P0067 Audi Description

The P0067 diagnostic trouble code (DTC) for Audi vehicles indicates a problem with the Air Assisted Injector Control Circuit being too high. The air assisted injector is a component of the vehicle's emissions system that helps reduce harmful emissions by injecting fresh air into the exhaust stream. The control circuit is responsible for regulating the operation of the air assisted injector. When the control circuit detects a high voltage or resistance that is outside of the normal operating range, it triggers the P0067 code.

OBDII Code P0067 Audi - Air Assisted Injector Control Circuit High
P0067 Audi Code - Air Assisted Injector Control Circuit High

Common Causes of P0067 Audi

  1. Faulty air assisted injector
  2. Wiring or connector issues in the control circuit
  3. ECM malfunction
  4. Corrosion or damage to electrical components
  5. Poor quality fuel or contaminated fuel system

Symptoms of P0067 Audi

  1. Rough idle or engine stalling
  2. Reduced fuel efficiency
  3. Check Engine Light illuminated on the dashboard
  4. Failed emissions test
  5. Engine hesitation or lack of power

How to Fix P0067 Audi

  1. Use a diagnostic scanner to read and document the fault codes present in the vehicle's ECM.
  2. Inspect the air assisted injector, wiring, and connectors for any visible damage or corrosion.
  3. Test the air assisted injector with a multimeter to check for proper resistance and voltage.
  4. Replace any faulty components such as the air assisted injector or damaged wiring.
  5. Clear the fault codes from the ECM memory and test drive the vehicle to verify that the issue has been resolved.

Cost to Fix P0067 Audi

The cost of repairing a P0067 code on an Audi vehicle can vary depending on the specific cause of the issue and the labor rates in your area. In general, you can expect to pay anywhere from $150 to $400 for parts and labor. Keep in mind that diagnostic time and labor rates at auto repair shops can vary, so it's a good idea to get a few quotes before proceeding with the repairs. Additionally, if the issue is related to the ECM, the cost of replacement or reprogramming may increase the total repair cost.

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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.

Frequently Asked Questions about P0067 Audi Code

1. What are the common symptoms of OBDII code P0067 in an Audi related to the Air Assisted Injector Control Circuit High?

The common symptoms include rough idling, decreased engine performance, poor fuel efficiency, and illuminated Check Engine Light.

2. What are the possible causes of OBDII code P0067 in an Audi?

Possible causes include a faulty air assisted injector, damaged wiring or connectors in the air assisted injector circuit, a defective Engine Control Module (ECM), or a vacuum leak.

3. How can I diagnose the OBDII code P0067 in my Audi?

Diagnosing this code typically involves using a scan tool to retrieve the fault code, inspecting the air assisted injector and its wiring for any visible damage, and testing the circuit for continuity and resistance.

4. Can I still drive my Audi with OBDII code P0067 present?

While it may be possible to drive the vehicle with this code, it is not recommended as it can lead to further damage and decreased performance. It is advisable to address the issue promptly.

5. How can I repair OBDII code P0067 in my Audi?

Repairing this code may involve replacing the faulty air assisted injector, repairing any damaged wiring or connectors, resetting the ECM, and clearing the fault code using a scan tool.

6. Is it safe to ignore OBDII code P0067 in my Audi?

Ignoring this code can lead to potential engine issues, decreased fuel efficiency, and poor performance. It is best to address the underlying problem to ensure the proper functioning of your vehicle.

7. Can a DIY enthusiast fix OBDII code P0067 in an Audi?

While some enthusiasts may have the skills to diagnose and repair this code, it is recommended to consult a professional mechanic for accurate diagnosis and proper repair to avoid any mistakes.

8. How much does it typically cost to repair OBDII code P0067 in an Audi?

The cost of repairing this code can vary depending on the extent of the damage and the specific repairs needed. It is advisable to obtain quotes from different mechanics or repair shops.

9. Are there any preventive measures to avoid OBDII code P0067 in an Audi?

Regular maintenance, such as checking for vacuum leaks and inspecting the air assisted injector system, can help prevent issues that may trigger this code.

10. Will resetting the Check Engine Light resolve OBDII code P0067 in my Audi?

Simply resetting the Check Engine Light without addressing the underlying issue will not solve the problem. It is crucial to diagnose and repair the root cause to prevent the code from reoccurring.

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