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Engine-Codes – Nissan – P0021 2007 Nissan Pathfinder

P0021 2007 Nissan Pathfinder Code - Intake Valve Timing Control Performance Bank 2

Quick Answer

The P0021 diagnostic trouble code (DTC) for a 2007 Nissan Pathfinder indicates an issue with the Intake Valve Timing Control Performance on Bank 2. Common causes include Faulty Intake Valve Timing Control Solenoid, Malfunctioning Intake Valve Timing Control Actuator, Timing chain or belt 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
P0021 2007 Nissan Pathfinder indicates Intake Valve Timing Control Performance Bank 2.
Common causes
Common causes include Faulty Intake Valve Timing Control Solenoid, Malfunctioning Intake Valve Timing Control Actuator, Timing chain or belt 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 13, 2024
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Code P0021 2007 Nissan Pathfinder Description

The P0021 diagnostic trouble code (DTC) for a 2007 Nissan Pathfinder indicates an issue with the Intake Valve Timing Control Performance on Bank 2. This code specifically relates to the intake valve timing control system, which is responsible for adjusting the timing of the opening and closing of the intake valves in relation to the engine's operation. The timing control system ensures optimal performance, fuel efficiency, and emissions control.

OBDII Code P0021 2007 Nissan Pathfinder - Intake Valve Timing Control Performance Bank 2
P0021 2007 Nissan Pathfinder Code - Intake Valve Timing Control Performance Bank 2

Common Causes of P0021 2007 Nissan Pathfinder

  1. Faulty Intake Valve Timing Control Solenoid
  2. Malfunctioning Intake Valve Timing Control Actuator
  3. Timing chain or belt issues
  4. Wiring or connector problems in the intake valve timing control system
  5. Low engine oil levels or dirty oil affecting the timing control components

Symptoms of P0021 2007 Nissan Pathfinder

  1. Reduced engine performance or power
  2. Rough idling or stalling
  3. Poor fuel economy
  4. Illuminated Check Engine Light
  5. Engine misfires

How to Fix P0021 2007 Nissan Pathfinder

  1. Diagnose the specific cause of the P0021 code using a scan tool to pinpoint the issue within the intake valve timing control system.
  2. Inspect the intake valve timing control solenoid, actuator, and associated components for any signs of damage or malfunction.
  3. Check the timing chain or belt for proper tension, alignment, and wear, replacing if necessary.
  4. Test the wiring and connectors in the intake valve timing control system for continuity and repair any faults found.
  5. Clear the DTC and reset the ECM after completing the repairs to ensure the code does not return.

Cost to Fix P0021 2007 Nissan Pathfinder

The cost of repairing a P0021 code on a 2007 Nissan Pathfinder can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay anywhere from $200 to $600 for parts and labor. Keep in mind that rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. It's recommended to get quotes from multiple shops to find the best price for your specific repair needs.

What does this mean?

Tech Notes for P0021 2007 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 2007 Nissan Pathfinder Code

1. What are the common symptoms of OBDII code P0021 in a 2007 Nissan Pathfinder?

Symptoms may include rough idling, decreased fuel efficiency, loss of power, and illumination of the check engine light.

2. What does the OBDII code P0021 "Intake Valve Timing Control Performance Bank 2" on a 2007 Nissan Pathfinder indicate?

This code suggests that there is an issue with the intake valve timing control on bank 2 of the engine.

3. What are some possible causes of OBDII code P0021 in a 2007 Nissan Pathfinder?

Potential causes include a faulty intake valve timing control solenoid, damaged timing chain or belt, low engine oil levels, or issues with the camshaft or crankshaft sensors.

4. How can I diagnose the cause of OBDII code P0021 in my 2007 Nissan Pathfinder?

Diagnosis typically involves checking the intake valve timing control solenoid, inspecting the timing components, ensuring proper engine oil levels, and testing the camshaft and crankshaft sensors.

5. Can driving with OBDII code P0021 in a 2007 Nissan Pathfinder cause further damage?

Continued driving with this code may lead to engine misfires, reduced engine performance, and potential damage to the engine components over time. It is recommended to address the issue promptly.

6. How can I repair OBDII code P0021 in my 2007 Nissan Pathfinder?

Repairs may involve replacing the intake valve timing control solenoid, repairing or replacing damaged timing components, addressing any oil-related issues, or replacing faulty sensors.

7. Are there any DIY tips for fixing OBDII code P0021 in a 2007 Nissan Pathfinder?

While some basic troubleshooting like checking for loose connections or damaged wiring can be done at home, complex repairs related to the timing system should be handled by a professional mechanic.

8. How much does it typically cost to repair OBDII code P0021 in a 2007 Nissan Pathfinder?

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

9. Can resetting the check engine light temporarily fix OBDII code P0021 in a 2007 Nissan Pathfinder?

Resetting the check engine light will only clear the code temporarily, and the underlying issue causing the code will still need to be diagnosed and repaired to prevent it from reoccurring.

10. Is it safe to continue driving my 2007 Nissan Pathfinder with OBDII code P0021?

While the vehicle may still be operational with this code present, it is advisable to have the issue diagnosed and repaired promptly to avoid potential engine damage and further complications.

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