AutoCodes – Nissan – P0327 2006 Nissan Pathfinder

P0327 2006 Nissan Pathfinder Code - Knock Sensor Circuit Low Input Bank 1

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: P0327 2006 Nissan Pathfinder indicates Knock Sensor Circuit Low Input Bank 1.
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.

Save to My Repairs Step-by-Step Diagnostic Guide My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 5,310

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 Apr 16, 2019

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P0327 2006 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 P0327 2006 Nissan Pathfinder - Knock Sensor Circuit Low Input Bank 1 - AutoCodes.com — P0327 2006 Nissan Pathfinder Code - Knock Sensor Circuit Low Input Bank 1

What does this mean?

What are the Possible Causes of the DTC P0327 2006 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 P0327 2006 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 P0327 2006 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 P0327 2006 Nissan Pathfinder code?

Need more information on how to fix the P0327 2006 Nissan Pathfinder code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0327 2006 Nissan Pathfinder code diagnosed by a professional: Find a repair shop in your area

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 P0327 2006 Nissan Pathfinder Code

1. What does code P0327 mean on a 2006 Nissan Pathfinder?

Code P0327 indicates a "Knock Sensor Circuit Low Input Bank 1," meaning the sensor has detected a weak or low signal from the knock sensor on Bank 1.

2. What are the symptoms of a P0327 code in a 2006 Nissan Pathfinder?

Common symptoms include reduced engine performance, poor fuel economy, hesitation during acceleration, and in some cases, no noticeable symptoms at all.

3. What causes the P0327 code in a 2006 Nissan Pathfinder?

Potential causes include a faulty knock sensor, damaged wiring or connectors in the knock sensor circuit, corrosion in the harness, or an issue with the Engine Control Module (ECM).

4. Can I drive my 2006 Nissan Pathfinder with a P0327 code?

While the vehicle might still be drivable, it is not recommended as prolonged driving with this code can lead to engine knocking or damage due to improper ignition timing.

5. How is the P0327 code diagnosed on a 2006 Nissan Pathfinder?

Diagnosis typically involves using a scan tool to confirm the code, inspecting the knock sensor and its wiring, checking for loose or corroded connections, and testing the sensor's resistance with a multimeter.

6. How do you fix the P0327 code in a 2006 Nissan Pathfinder?

Repairs may include replacing the knock sensor, repairing or replacing damaged wiring or connectors, and cleaning corroded terminals. In rare cases, the ECM may need to be reprogrammed or replaced.

7. Where is the knock sensor located on a 2006 Nissan Pathfinder?

The knock sensor on the 2006 Nissan Pathfinder is typically located beneath the intake manifold on the engine block.

8. How much does it cost to fix a P0327 code on a 2006 Nissan Pathfinder?

Repair costs can vary but typically range from $150 to $400, depending on whether the knock sensor or wiring needs replacement and the cost of labor.

9. Can a bad knock sensor damage my 2006 Nissan Pathfinder engine?

A faulty knock sensor itself wonâ€™t directly damage the engine, but it prevents the ECM from properly managing ignition timing, which could lead to engine knocking and potential long-term damage.

10. Will a P0327 code affect my vehicleâ€™s emissions?

Yes, a P0327 code can lead to incomplete combustion and higher emissions, which may cause your vehicle to fail an emissions test.