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P0021 2012 Nissan Pathfinder Code - Intake Valve Timing Control Performance Bank 2

Quick Answer

The P0021 code in a 2012 Nissan Pathfinder indicates a problem with the intake valve timing control on bank 2. Common causes include Faulty intake valve timing control solenoid, Damaged or worn timing chain, Issues with the camshaft position sensor. 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
P0021 2012 Nissan Pathfinder indicates Intake Valve Timing Control Performance Bank 2.
Common causes
Common causes include Faulty intake valve timing control solenoid, Damaged or worn timing chain, Issues with the camshaft position sensor.
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 07, 2024
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Code P0021 2012 Nissan Pathfinder Description

The P0021 code in a 2012 Nissan Pathfinder indicates a problem with the intake valve timing control on bank 2. The intake valve timing control system is responsible for adjusting the timing of the intake valves to optimize engine performance and fuel efficiency. In a V6 engine like the one found in the Pathfinder, there are typically two banks of cylinders, with bank 2 referring to the side of the engine that does not contain cylinder 1.

OBDII Code P0021 2012 Nissan Pathfinder - Intake Valve Timing Control Performance Bank 2
P0021 2012 Nissan Pathfinder Code - Intake Valve Timing Control Performance Bank 2

Common Causes of P0021 2012 Nissan Pathfinder

  1. Faulty intake valve timing control solenoid
  2. Damaged or worn timing chain
  3. Issues with the camshaft position sensor
  4. Problems with the engine's computer system
  5. Low engine oil levels or dirty oil

Symptoms of P0021 2012 Nissan Pathfinder

  1. Reduced power and acceleration
  2. Decreased fuel efficiency
  3. Rough idling or engine stalling
  4. Engine misfires
  5. Check Engine Light illuminated on the dashboard

How to Fix P0021 2012 Nissan Pathfinder

  1. Begin by diagnosing the specific cause of the P0021 code, using a scan tool to gather data from the engine control module.
  2. Inspect the intake valve timing control solenoid on bank 2 for any signs of damage or malfunction, and replace if necessary.
  3. Check the timing chain for wear or damage, and replace if needed.
  4. Test the camshaft position sensor to ensure it is functioning correctly, and replace if faulty.
  5. Clear the code from the engine control module and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0021 2012 Nissan Pathfinder

The cost of repairing a P0021 code on a 2012 Nissan Pathfinder can vary depending on the specific cause of the issue and the labor rates in your area. On average, the repair could cost between $200 and $800, including parts and labor. Keep in mind that additional diagnostic time may be needed to pinpoint the exact cause of the problem, and labor rates at auto repair shops can fluctuate based on various factors. It is recommended to obtain quotes from different shops to get a more accurate estimate for your specific situation.

What does this mean?

Tech Notes for P0021 2012 Nissan Pathfinder

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 engine oil and filter and reset engine code.

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 P0021 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 P0021 2012 Nissan Pathfinder Code

1. What are common symptoms of OBDII code P0021 in a 2012 Nissan Pathfinder?

- Common symptoms of P0021 may include rough idling, reduced engine performance, and an illuminated check engine light.

2. What does the OBDII code P0021 "Intake Valve Timing Control Performance Bank 2" mean in a 2012 Nissan Pathfinder?

- P0021 indicates that there is a performance issue with the intake valve timing control system on bank 2 of the engine.

3. What are possible causes of OBDII code P0021 in a 2012 Nissan Pathfinder?

- Possible causes of P0021 include faulty intake valve timing control solenoid, damaged timing chain, low engine oil levels, or issues with the engine control module.

4. How can I diagnose the OBDII code P0021 in my 2012 Nissan Pathfinder?

- Diagnosing P0021 usually involves checking the intake valve timing control solenoid, inspecting the timing chain, verifying engine oil levels, and scanning the engine control module for related error codes.

5. Can I drive my 2012 Nissan Pathfinder with OBDII code P0021?

- It is not recommended to drive your vehicle with code P0021 as it can lead to further engine damage and potential safety hazards. It's best to have the issue diagnosed and repaired promptly.

6. How can I repair OBDII code P0021 in my 2012 Nissan Pathfinder?

- Repairing P0021 may involve replacing the intake valve timing control solenoid, repairing or replacing the timing chain, addressing engine oil issues, or reprogramming the engine control module.

7. Is it expensive to fix OBDII code P0021 on a 2012 Nissan Pathfinder?

- The cost of repairing P0021 can vary depending on the specific cause of the issue. It's recommended to get a diagnostic assessment from a qualified mechanic to determine the exact repair cost.

8. Can a DIY enthusiast fix OBDII code P0021 in a 2012 Nissan Pathfinder?

- While some aspects of diagnosing P0021 can be done by DIY enthusiasts, repairing the underlying causes often requires specialized tools and knowledge. It is advisable to seek professional help for proper repair.

9. Will resetting the check engine light resolve OBDII code P0021 in my 2012 Nissan Pathfinder?

- Simply resetting the check engine light will not fix the underlying issue causing P0021. It's important to diagnose the problem, address the root cause, and clear the code after making the necessary repairs.

10. How often does OBDII code P0021 occur in a 2012 Nissan Pathfinder?

- The occurrence of P0021 can vary depending on factors such as maintenance history, driving conditions, and overall vehicle health. If the issue arises, it should be addressed promptly to prevent further complications.

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