AutoCodes – Nissan – P0333 2009 Nissan Pathfinder

P0333 2009 Nissan Pathfinder Code - Knock Sensor 2 Circuit High Input Bank 2

Quick Answer

The knock sensor is attached to the cylinder block. Common causes include Faulty knock sensor, Knock sensor circuit poor electrical connection, Knock sensor harness is open or shorted. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means: P0333 2009 Nissan Pathfinder indicates Knock Sensor 2 Circuit High Input Bank 2.
Common causes: Common causes include Faulty knock sensor, Knock sensor circuit poor electrical connection, Knock sensor harness is open or shorted.
Severity: Low - monitor the vehicle and repair when practical.
Can I drive?: The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

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Code Popularity 2,106

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0333 2009 Nissan Pathfinder Description

The knock sensor is attached to the cylinder block. It senses engine knocking using a piezoelectric element. A knocking vibration from the cylinder block is sensed as vibrational pressure. This pressure is converted into a voltage signal and sent to the Engine Control Module (ECM).

OBDII Code P0333 2009 Nissan Pathfinder - Knock Sensor 2 Circuit High Input Bank 2 - AutoCodes.com — P0333 2009 Nissan Pathfinder Code - Knock Sensor 2 Circuit High Input Bank 2

What does this mean?

What are the Possible Causes of the DTC P0333 2009 Nissan Pathfinder?

Faulty knock sensor
Knock sensor circuit poor electrical connection
Knock sensor harness is open or shorted
Faulty Engine Control Module (ECM)

How to Fix the DTC P0333 2009 Nissan Pathfinder?

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

The P0327 code means that the Knock Sensor is not working properly. Problems with the knock sensor will not cause an engine performance problems for most models if you have any other codes fix those first before replacing the knock sensor.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0333 2009 Nissan Pathfinder 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 P0333 2009 Nissan Pathfinder code?

Need more information on how to fix the P0333 2009 Nissan Pathfinder code? Get Access to Factory Service Manuals

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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 P0333 2009 Nissan Pathfinder Code

1. What are the common symptoms of OBDII code P0333 in a 2009 Nissan Pathfinder?

- Common symptoms include engine knocking noises, reduced engine performance, and the illumination of the Check Engine light.

2. What does the OBDII code P0333 on a 2009 Nissan Pathfinder indicate?

- This code specifically points to an issue with the Knock Sensor 2 Circuit High Input Bank 2, signaling a potential problem with the knock sensor.

3. What are the possible causes of OBDII code P0333 appearing in a 2009 Nissan Pathfinder?

- Causes may include a faulty knock sensor, wiring issues in the knock sensor circuit, engine mechanical problems, or a damaged knock sensor connector.

4. How can I diagnose the OBDII code P0333 in my 2009 Nissan Pathfinder?

- Diagnosis typically involves checking the knock sensor's wiring and connector for damage, testing the knock sensor itself, and inspecting the engine for any mechanical issues.

5. Can I continue driving my 2009 Nissan Pathfinder with OBDII code P0333 present?

- It is not advisable to continue driving with this code as it can lead to potential engine damage due to incorrect ignition timing caused by the malfunctioning knock sensor.

6. How can I repair OBDII code P0333 in my 2009 Nissan Pathfinder?

- Repair involves replacing the faulty knock sensor, repairing any damaged wiring, ensuring proper connections, and clearing the trouble code from the vehicle's computer.

7. Are there any tips to prevent OBDII code P0333 from recurring in my 2009 Nissan Pathfinder?

- Regular maintenance, timely replacement of sensors, and addressing any engine issues promptly can help prevent the reoccurrence of this code.

8. Is it possible to reset the OBDII code P0333 in a 2009 Nissan Pathfinder without fixing the underlying issue?

- While you can clear the code temporarily, it is crucial to address the root cause to prevent potential long-term damage to the engine.

9. How long does it typically take to repair OBDII code P0333 in a 2009 Nissan Pathfinder?

- The repair time can vary depending on the extent of the issue, but it usually takes a few hours to diagnose and replace the knock sensor or repair related components.

10. Can a DIY enthusiast fix OBDII code P0333 in a 2009 Nissan Pathfinder, or is professional help necessary?

- While some may attempt a DIY repair, dealing with engine sensors and wiring can be complex, so seeking professional help is recommended for accurate diagnosis and repair.