AutoCodes – Nissan – P0327 2007 Nissan Maxima

P0327 2007 Nissan Maxima 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 2007 Nissan Maxima 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.

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Code Popularity 3,059

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
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0327 2007 Nissan Maxima 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 2007 Nissan Maxima - Knock Sensor Circuit Low Input Bank 1 - AutoCodes.com — P0327 2007 Nissan Maxima Code - Knock Sensor Circuit Low Input Bank 1

What does this mean?

What are the Possible Causes of the DTC P0327 2007 Nissan Maxima?

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 2007 Nissan Maxima?

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. Replacing the knock sensor usually takes care of the problem.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0327 2007 Nissan Maxima 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 2007 Nissan Maxima 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 P0327 2007 Nissan Maxima Code

What does the OBDII code P0327 mean for a 2007 Nissan Maxima?

P0327 indicates that there is a low input signal from the knock sensor circuit for Bank 1, which can affect engine performance and timing.

What are the common symptoms of a P0327 code?

Common symptoms include engine knocking or pinging, reduced engine performance, poor fuel economy, and the Check Engine Light being illuminated.

What could cause the P0327 code to trigger?

Causes can include a faulty knock sensor, damaged wiring or connectors in the knock sensor circuit, or issues with the Engine Control Module (ECM).

How can I diagnose the P0327 code?

To diagnose P0327, inspect the knock sensor and its wiring for damage, check the sensorâ€™s resistance, and use a scan tool to examine engine data and confirm the fault.

Can I drive my 2007 Nissan Maxima with a P0327 code?

While the vehicle may be drivable, itâ€™s not recommended to drive long distances as it can lead to further engine damage due to improper timing and knocking.

What are some common repairs for a P0327 code?

Common repairs include replacing the knock sensor, repairing or replacing damaged wiring, and clearing any other related codes that may be present.

How much does it typically cost to fix a P0327 code?

Repair costs can vary, but replacing a knock sensor usually ranges from $100 to $300, depending on labor costs and parts pricing.

Will clearing the code P0327 fix the problem?

Clearing the code may turn off the Check Engine Light temporarily, but the underlying issue will still need to be addressed to prevent the code from returning.

Is there a way to temporarily fix the symptoms of a P0327 without replacing parts?

There are no reliable temporary fixes for P0327; addressing the root cause, such as replacing the knock sensor or fixing wiring, is necessary for a proper solution.