AutoCodes.com
Login with Google
AutoCodes – Infiniti – P0327 2003 Infiniti G35

P0327 2003 Infiniti G35 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 2003 Infiniti G35 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 15,255
How popular is this code, among other codes? Low
What is this?
Table of contents Created and updated by William Orellana on Apr 16, 2019
💬 Need more help? Ask Coddy for instant answers — it's free!

Code P0327 2003 Infiniti G35 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 2003 Infiniti G35 - Knock Sensor Circuit Low Input Bank 1 - AutoCodes.com
P0327 2003 Infiniti G35 Code - Knock Sensor Circuit Low Input Bank 1
What does this mean?

What are the Possible Causes of the DTC P0327 2003 Infiniti G35?

  • 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 2003 Infiniti G35?

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 2003 Infiniti G35 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 2003 Infiniti G35 code?

Need more information on how to fix the P0327 2003 Infiniti G35 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0327 2003 Infiniti G35 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 2003 Infiniti G35 Code

1. What does the OBDII code P0327 mean for a 2003 Infiniti G35?

P0327 indicates that the Knock Sensor Circuit on Bank 1 is detecting a signal that is too low, suggesting a potential issue with the knock sensor or its wiring.

2. What are the symptoms of code P0327 in a 2003 Infiniti G35?

Symptoms may include reduced engine performance, poor fuel economy, engine knocking or pinging, and possibly the Check Engine Light being illuminated.

3. What causes the P0327 code on a 2003 Infiniti G35?

Common causes include a faulty knock sensor, damaged or corroded wiring, a loose or poor electrical connection, or an engine issue causing abnormal knocking.

4. Can I drive my 2003 Infiniti G35 with a P0327 code?

While the vehicle may still be drivable, prolonged operation with this code can lead to engine damage due to undetected knocking. It's best to address the issue promptly.

5. How do I fix the P0327 code on a 2003 Infiniti G35?

Repairs typically involve inspecting and replacing the knock sensor if faulty, repairing damaged wiring, cleaning corroded connections, or addressing any underlying engine issues.

6. Where is the knock sensor located on a 2003 Infiniti G35?

The knock sensor on a 2003 Infiniti G35 is located in the engine valley, beneath the intake manifold, making it somewhat difficult to access.

7. How much does it cost to repair a P0327 code on a 2003 Infiniti G35?

Replacing a knock sensor typically costs between $200 and $500, depending on labor rates and whether additional repairs, such as wiring fixes, are needed.

8. Can a bad knock sensor cause engine damage?

Yes, a faulty knock sensor can prevent the ECU from detecting and correcting engine knocking, potentially leading to internal engine damage over time.

9. Do I need to clear the P0327 code after repairs?

Yes, after completing the necessary repairs, clear the code using an OBDII scanner and test drive the vehicle to ensure the issue is resolved.

10. Can a dirty or faulty mass airflow sensor trigger a P0327 code?

While uncommon, issues with the mass airflow sensor or other engine components could indirectly contribute to conditions that lead to a P0327 code if they cause abnormal knocking. Always inspect related systems.

Discuss the causes and fixes for P0327 2003 Infiniti G35 OBDII Code

Submit a New Comment
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play