AutoCodes – Audi – P0264 Audi

P0264 Audi Code - Cylinder 2 Injector Circuit Low

Quick Answer

Code P0264 is triggered when the Engine Control Module (ECM) detects a low voltage in the Fuel Injector 2 Circuit. Common causes include Dirty Fuel Injector 2, Faulty Fuel Injector 2, Plugged Fuel Injector 2. 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: P0264 Audi indicates Cylinder 2 Injector Circuit Low.
Common causes: Common causes include Dirty Fuel Injector 2, Faulty Fuel Injector 2, Plugged Fuel Injector 2.
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.

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Code Popularity 4,061

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 02, 2022

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0264 Audi Description

Code P0264 is triggered when the Engine Control Module (ECM) detects a low voltage in the Fuel Injector 2 Circuit. During normal conditions, the ECM turns the Fuel Injectors ON and OFF in the Fuel Injection System.

OBDII Code P0264 Audi - Cylinder 2 Injector Circuit Low - AutoCodes.com — P0264 Audi Code - Cylinder 2 Injector Circuit Low

What does this mean?

What are the Possible Causes of the DTC P0264 Audi?

Dirty Fuel Injector 2
Faulty Fuel Injector 2
Plugged Fuel Injector 2
Fuel Injector #2 harness is open or shorted
Fuel Injector #2 circuit poor electrical connection

How to Fix the DTC P0264 Audi?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What does this mean?

Code Tech Notes

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0264 Audi code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0264 Audi code?

Need more information on how to fix the P0264 Audi code? Get Access to Factory Service Manuals

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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 P0264 Audi Code

1. What are the common symptoms of OBDII code P0264 in an Audi related to the Cylinder 2 Injector Circuit Low?

- Common symptoms may include rough idling, misfires, loss of power, and potentially decreased fuel efficiency.

2. What are the possible causes of the OBDII code P0264 in an Audi?

- The code P0264 may be triggered by issues such as a faulty fuel injector, wiring problems in the injector circuit, or a problem with the Engine Control Module (ECM).

3. How can I diagnose the Cylinder 2 Injector Circuit Low issue in my Audi?

- Diagnosing this issue typically involves checking the wiring harness and connections related to the injector, testing the injector itself, and using a scan tool to analyze the ECM data.

4. Can a dirty fuel injector cause the OBDII code P0264 in an Audi?

- Yes, a dirty or clogged fuel injector can disrupt the proper fuel flow to the cylinder, potentially triggering the P0264 code.

5. What repair tips can help resolve the OBDII code P0264 in an Audi?

- Repair tips may include cleaning or replacing the fuel injector, checking and repairing any damaged wiring, and resetting the ECM after the issue has been addressed.

6. Is it safe to drive my Audi with the Cylinder 2 Injector Circuit Low issue?

- It is not recommended to drive the vehicle with this issue as it can lead to further engine damage and potential safety hazards. It is best to address the problem promptly.

7. How much does it typically cost to repair the OBDII code P0264 in an Audi?

- The cost of repair can vary depending on the exact cause of the issue, but it may involve expenses such as replacing a faulty fuel injector, repairing wiring, or addressing ECM issues.

8. Can a DIY enthusiast fix the Cylinder 2 Injector Circuit Low problem in an Audi?

- While some basic troubleshooting steps can be done by DIY enthusiasts, resolving the P0264 code often requires specialized tools and knowledge, so professional assistance is recommended.

9. Will resetting the OBDII code P0264 in my Audi make the issue go away?

- Resetting the code may temporarily clear the warning light, but if the underlying problem is not addressed, the code is likely to reappear once the ECM detects the issue again.

10. How can I prevent the OBDII code P0264 from occurring in my Audi in the future?

- Regular maintenance, including using quality fuel, keeping injectors clean, and addressing any engine performance issues promptly, can help prevent the recurrence of the P0264 code.