AutoCodesHyundai – P0264 Hyundai

P0264 Hyundai 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 Hyundai 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 10,339
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 02, 2022
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Code P0264 Hyundai 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 Hyundai - Cylinder 2 Injector Circuit Low - AutoCodes.com
P0264 Hyundai Code - Cylinder 2 Injector Circuit Low

What are the Possible Causes of the DTC P0264 Hyundai?

  • 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 Hyundai?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0264 Hyundai 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 Hyundai code?

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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 Hyundai Code

1. What does the OBDII code P0264 mean on a Hyundai?

P0264 indicates a "Cylinder 2 Injector Circuit Low" fault, meaning the fuel injector circuit for cylinder 2 is experiencing lower-than-expected voltage or resistance.

2. What are the symptoms of code P0264 in a Hyundai?

Common symptoms include rough idling, misfires, reduced engine performance, poor fuel economy, and an illuminated check engine light.

3. What causes the P0264 code on a Hyundai?

Potential causes include a faulty fuel injector, damaged or corroded wiring or connectors, a malfunctioning injector driver in the PCM, or a short circuit in the injector circuit.

4. Can I drive my Hyundai with a P0264 code?

Driving with a P0264 code is not recommended, as it can lead to engine misfires, reduced performance, and potential damage to the catalytic converter.

5. How do I diagnose the P0264 code in my Hyundai?

Start by inspecting the wiring and connectors for cylinder 2's injector for damage or corrosion. Use a multimeter to check for proper voltage and resistance. If the wiring is fine, test the injector and PCM.

6. How do I fix the P0264 code on my Hyundai?

Repairs may include replacing the faulty injector, repairing or replacing damaged wiring or connectors, or replacing the PCM if it’s determined to be the root cause.

7. How much does it cost to fix code P0264 in a Hyundai?

Repair costs vary, but replacing a fuel injector typically costs $150-$300 (parts and labor), while wiring repairs or PCM replacement can be more expensive depending on the issue.

8. Can a dirty fuel injector cause the P0264 code in a Hyundai?

A dirty injector may not directly cause the P0264 code, but it can contribute to poor performance. However, the code specifically points to an electrical issue with the injector circuit.

9. Will clearing the P0264 code fix the problem in my Hyundai?

Clearing the code will turn off the check engine light temporarily, but the issue will likely reappear unless the underlying problem is resolved.

10. What tools do I need to troubleshoot the P0264 code on my Hyundai?

You’ll need an OBDII scanner, a multimeter to check voltage and resistance, and wiring diagrams for your Hyundai model to trace the injector circuit.

Discuss the causes and fixes for P0264 Hyundai OBDII Code

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