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P0011 2003 Infiniti I35 Code - Intake Valve Timing Control Performance Bank 1

Quick Answer

The P0011 code on a 2003 Infiniti I35 indicates an issue with the intake valve timing control performance in Bank 1. Common causes include Faulty intake valve timing control solenoid, Camshaft position sensor malfunction, Camshaft phaser issues. 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
P0011 2003 Infiniti I35 indicates Intake Valve Timing Control Performance Bank 1.
Common causes
Common causes include Faulty intake valve timing control solenoid, Camshaft position sensor malfunction, Camshaft phaser issues.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P0011 2003 Infiniti I35 Description

The P0011 code on a 2003 Infiniti I35 indicates an issue with the intake valve timing control performance in Bank 1. This means that there is a problem with the timing of the intake valves opening and closing in relation to the engine's operation. The intake valve timing control system is responsible for adjusting the timing of the intake valves to optimize engine performance, fuel efficiency, and emissions. When this system malfunctions, it can lead to various issues with the vehicle's performance and drivability.

OBDII Code P0011 2003 Infiniti I35 - Intake Valve Timing Control Performance Bank 1
P0011 2003 Infiniti I35 Code - Intake Valve Timing Control Performance Bank 1

Common Causes of P0011 2003 Infiniti I35

  1. Faulty intake valve timing control solenoid
  2. Camshaft position sensor malfunction
  3. Camshaft phaser issues
  4. Engine oil sludge or contamination
  5. Wiring or electrical connection problems

Symptoms of P0011 2003 Infiniti I35

  1. Decreased engine power
  2. Poor fuel efficiency
  3. Rough idling
  4. Engine misfires
  5. Hesitation or stalling during acceleration

How to Fix P0011 2003 Infiniti I35

  1. Diagnose the specific cause of the code using a scan tool to identify the faulty component.
  2. Inspect the intake valve timing control solenoid, camshaft position sensor, and camshaft phaser for any signs of damage or wear.
  3. Replace the faulty component, whether it be the solenoid, sensor, or phaser, with a new OEM or high-quality aftermarket part.
  4. Clear the code from the vehicle's computer system and perform a test drive to ensure the issue has been resolved.
  5. Regularly monitor the intake valve timing control system to prevent future issues and ensure optimal engine performance.

Cost to Fix P0011 2003 Infiniti I35

The typical repair costs for addressing the P0011 code on a 2003 Infiniti I35 can range from $200 to $600, including parts and labor. The cost may vary depending on the specific component that needs to be replaced and the labor rates at the auto repair shop. It's recommended to consult with a professional mechanic for a more accurate estimate based on the individual circumstances of the vehicle.

What does this mean?

Tech Notes for P0011 2003 Infiniti I35

Since the Intake valve timing control solenoid valve uses oil flow to control timing, dirty oil can cause the valve to stuck open or close. Before replacing the valve, change the engine oil and filter and reset the engine code. If the code comes back you can remove the Intake valve timing control solenoid and clean it with brake cleaner.



















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When is the Code Detected?

When there is a gap between angle of target and phase-control angle degree, the valve will stop working and the ECM will trigger the P0011 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 P0011 2003 Infiniti I35 Code

1. What are the common symptoms of OBDII code P0011 on a 2003 Infiniti I35?

Symptoms may include rough idling, decreased fuel efficiency, loss of power, and possibly stalling.

2. What does the OBDII code P0011 "Intake Valve Timing Control Performance Bank 1" indicate on a 2003 Infiniti I35?

This code typically indicates an issue with the intake valve timing control system on bank 1 of the engine.

3. What are the possible causes of OBDII code P0011 on a 2003 Infiniti I35?

Potential causes include a faulty intake valve timing control solenoid, dirty engine oil, a malfunctioning camshaft position sensor, or issues with the timing chain.

4. How can I diagnose the source of OBDII code P0011 on my 2003 Infiniti I35?

Diagnosis often involves checking the intake valve timing control solenoid, inspecting the camshaft position sensor, examining the timing chain, and ensuring the engine oil is clean and at the proper level.

5. Can I continue driving my 2003 Infiniti I35 with OBDII code P0011?

It is not recommended to continue driving with this code present, as it can lead to further engine damage and potentially costly repairs.

6. How can I repair OBDII code P0011 on my 2003 Infiniti I35?

Repairs may involve replacing the intake valve timing control solenoid, cleaning or changing the engine oil, checking and potentially replacing the camshaft position sensor, or addressing any issues with the timing chain.

7. Is it possible to reset the OBDII code P0011 on a 2003 Infiniti I35 without making any repairs?

Resetting the code without addressing the underlying issue is not recommended, as the problem will likely persist and the Check Engine light will reappear.

8. How much does it typically cost to repair OBDII code P0011 on a 2003 Infiniti I35?

The cost of repairs can vary depending on the specific cause of the code, but it may range from a few hundred to over a thousand dollars, including parts and labor.

9. Can a DIY enthusiast fix OBDII code P0011 on a 2003 Infiniti I35?

Depending on their skill level and access to tools, a knowledgeable DIY enthusiast may be able to address some of the common causes of this code, such as replacing the intake valve timing control solenoid or checking the engine oil.

10. How often does OBDII code P0011 occur in a 2003 Infiniti I35?

The frequency of this code occurrence can vary, but it is not uncommon in vehicles with high mileage or poor maintenance practices. Regular servicing and timely repairs can help prevent issues related to this code.

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