AutoCodes – Hyundai – P0265 Hyundai

P0265 Hyundai Code - Cylinder 2 Injector Circuit High

Quick Answer

Code P0265 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: P0265 Hyundai indicates Cylinder 2 Injector Circuit High.
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 10,463

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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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 P0265 Hyundai Description

Code P0265 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 P0265 Hyundai - Cylinder 2 Injector Circuit High - AutoCodes.com — P0265 Hyundai Code - Cylinder 2 Injector Circuit High

What does this mean?

What are the Possible Causes of the DTC P0265 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 P0265 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 P0265 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 P0265 Hyundai code?

Need more information on how to fix the P0265 Hyundai code? Get Access to Factory Service Manuals

Need Help with the 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 P0265 Hyundai Code

What does OBDII code P0265 mean on a Hyundai?

P0265 indicates that the cylinder 2 injector circuit is experiencing a high voltage condition, which may disrupt proper fuel delivery to that cylinder.

What are the common symptoms of code P0265 in a Hyundai?

Symptoms include rough idling, misfires, reduced engine performance, poor fuel economy, and possibly a check engine light.

What causes code P0265 on a Hyundai?

Common causes include a shorted fuel injector, damaged wiring or connectors in the injector circuit, or a malfunctioning powertrain control module (PCM).

Can driving with code P0265 cause damage to my Hyundai?

Yes, prolonged driving with this issue can lead to engine misfires, increased emissions, and potential damage to the catalytic converter.

How do I diagnose code P0265 on a Hyundai?

Start by inspecting the wiring and connectors for cylinder 2 injector, test the injector for shorts or excessive resistance, and check the PCM for faults.

How can I fix code P0265 on a Hyundai?

Repairs may include replacing a faulty fuel injector, repairing or replacing damaged wiring, or addressing PCM-related issues if necessary.

Can a dirty injector cause code P0265 in a Hyundai?

A dirty injector is unlikely to cause high circuit voltage; the issue is more commonly related to electrical faults like shorts or malfunctioning components.

Is a professional mechanic needed to fix code P0265 on a Hyundai?

While experienced DIYers may handle basic repairs, diagnosing and fixing electrical or PCM issues often requires professional tools and expertise.

How much does it cost to fix code P0265 in a Hyundai?

Repair costs can vary between $100 to $500 or more, depending on whether the problem involves replacing the injector, repairing wiring, or addressing PCM issues.

Can a weak battery cause code P0265 on a Hyundai?

A weak battery is unlikely to directly cause this code, but electrical issues elsewhere in the vehicle could potentially contribute to injector circuit problems.