AutoCodes – Infiniti – P0327 2004 Infiniti G35

P0327 2004 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 2004 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.

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Code Popularity 13,075

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
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Code P0327 2004 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 2004 Infiniti G35 - Knock Sensor Circuit Low Input Bank 1 - AutoCodes.com — P0327 2004 Infiniti G35 Code - Knock Sensor Circuit Low Input Bank 1

What does this mean?

What are the Possible Causes of the DTC P0327 2004 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 2004 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 2004 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.

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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 2004 Infiniti G35 Code

1. What are the common symptoms of OBDII code P0327 (Knock Sensor Circuit Low Input Bank 1) in a 2004 Infiniti G35?

- Common symptoms include decreased engine performance, engine knocking or pinging noises, and possibly the illumination of the Check Engine Light.

2. What are the possible causes of OBDII code P0327 in a 2004 Infiniti G35?

- Possible causes may include a faulty knock sensor, damaged wiring or connectors in the knock sensor circuit, or issues with the Engine Control Module (ECM).

3. How can I diagnose the cause of OBDII code P0327 in my 2004 Infiniti G35?

- Diagnosing the cause typically involves using a scan tool to read the code, inspecting the knock sensor and its wiring for damage, and testing the sensor's resistance with a multimeter.

4. Can I continue driving my 2004 Infiniti G35 with OBDII code P0327 present?

- It is not recommended to continue driving with this code present, as it can lead to decreased engine performance and potential long-term damage if not addressed promptly.

5. How can I repair OBDII code P0327 in my 2004 Infiniti G35?

- Repair options may include replacing the knock sensor, repairing or replacing damaged wiring or connectors, and clearing the code with a scan tool after completing the necessary repairs.

6. Are there any DIY tips for fixing OBDII code P0327 in a 2004 Infiniti G35?

- While some basic troubleshooting steps can be done by DIY enthusiasts, it is recommended to consult a professional mechanic for an accurate diagnosis and proper repair of this issue.

7. How much does it typically cost to repair OBDII code P0327 in a 2004 Infiniti G35?

- The cost of repair can vary depending on the specific cause of the code and the labor rates in your area, but it may range from $200 to $500 or more.

8. What long-term effects can OBDII code P0327 have on my 2004 Infiniti G35 if left unresolved?

- If left unresolved, OBDII code P0327 can lead to decreased fuel efficiency, engine performance issues, and potential damage to other engine components over time.

9. Is it safe to reset the Check Engine Light after repairing OBDII code P0327 in my 2004 Infiniti G35?

- Yes, it is safe to reset the Check Engine Light using a scan tool after successfully repairing the underlying issue causing OBDII code P0327.

10. Can extreme weather conditions affect the knock sensor circuit and trigger OBDII code P0327 in a 2004 Infiniti G35?

- Yes, extreme temperatures or moisture exposure can potentially affect the knock sensor circuit and trigger the code, so it's important to ensure proper insulation and protection of the sensor and wiring.