AutoCodes – Hyundai – P0268 Hyundai

P0268 Hyundai Code - Cylinder 3 Injector Circuit High

Quick Answer

Code P0268 is triggered when the Engine Control Module (ECM) detects a high voltage in the Fuel Injector 3 Circuit. Common causes include Dirty Fuel Injector 3, Faulty Fuel Injector 3, Plugged Fuel Injector 3. 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: P0268 Hyundai indicates Cylinder 3 Injector Circuit High .
Common causes: Common causes include Dirty Fuel Injector 3, Faulty Fuel Injector 3, Plugged Fuel Injector 3.
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 11,246

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 P0268 Hyundai Description

Code P0268 is triggered when the Engine Control Module (ECM) detects a high voltage in the Fuel Injector 3 Circuit. During normal conditions, the ECM turns the Fuel Injectors ON and OFF in the Fuel Injection System.

OBDII Code P0268 Hyundai - Cylinder 3 Injector Circuit High - AutoCodes.com — P0268 Hyundai Code - Cylinder 3 Injector Circuit High

What does this mean?

What are the Possible Causes of the DTC P0268 Hyundai?

Dirty Fuel Injector 3
Faulty Fuel Injector 3
Plugged Fuel Injector 3
Fuel Injector #3 harness is open or shorted
Fuel Injector #3 circuit poor electrical connection

How to Fix the DTC P0268 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.

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 P0268 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 P0268 Hyundai code?

Need more information on how to fix the P0268 Hyundai code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0268 Hyundai code diagnosed by a professional: Find a repair shop in your area

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 P0268 Hyundai Code

1. What are the common symptoms of OBDII code P0268 on a Hyundai?

- Common symptoms include rough idling, engine misfires, poor acceleration, and decreased fuel efficiency.

2. What causes the OBDII code P0268 on a Hyundai?

- The code P0268 usually indicates a high voltage condition in the cylinder 3 fuel injector circuit, which can be caused by a faulty fuel injector, wiring issues, or a problem with the engine control module (ECM).

3. How can I diagnose the OBDII code P0268 on my Hyundai?

- To diagnose the code P0268, you can perform a visual inspection of the wiring harness, test the fuel injector resistance, check for any loose connections, and use a scan tool to monitor injector pulse width and voltage.

4. Can a dirty fuel injector cause the OBDII code P0268 on a Hyundai?

- Yes, a dirty or clogged fuel injector can disrupt the injector circuit's operation and lead to a high voltage condition, triggering the code P0268.

5. What are some repair tips for fixing the OBDII code P0268 on a Hyundai?

- Repair tips include cleaning or replacing the faulty fuel injector, repairing any damaged wiring, ensuring proper connections, and resetting the ECM after the repairs are completed.

6. Is it safe to continue driving with the OBDII code P0268 on a Hyundai?

- It is not recommended to continue driving with the code P0268 present, as it can lead to engine performance issues and potentially cause further damage to the engine if left unresolved.

7. Can I reset the OBDII code P0268 on my Hyundai by disconnecting the battery?

- While disconnecting the battery may temporarily clear the code, it is not a permanent solution. It is important to diagnose and repair the underlying issue causing the code to prevent it from reoccurring.

8. How much does it typically cost to repair the OBDII code P0268 on a Hyundai?

- The cost of repairing the code P0268 can vary depending on the root cause of the issue, but it may range from $100 to $500, including parts and labor.

9. Will replacing the fuel injector fix the OBDII code P0268 on a Hyundai?

- Replacing the fuel injector is a common solution to resolve the code P0268, especially if the injector is faulty or clogged. However, it is important to diagnose the issue accurately before proceeding with the repair.

10. Can a DIY enthusiast fix the OBDII code P0268 on a Hyundai?

- While some DIY enthusiasts may have the skills to diagnose and repair the code P0268, it is recommended to seek professional help, especially if dealing with complex electrical components or engine systems.