AutoCodes – Infiniti – P0328 2004 Infiniti G35

P0328 2004 Infiniti G35 Code - Knock Sensor Circuit High 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: P0328 2004 Infiniti G35 indicates Knock Sensor Circuit High 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 4,527

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 P0328 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 P0328 2004 Infiniti G35 - Knock Sensor Circuit High Input- Bank 1 - AutoCodes.com — P0328 2004 Infiniti G35 Code - Knock Sensor Circuit High Input- Bank 1

What does this mean?

What are the Possible Causes of the DTC P0328 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 P0328 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 P0328 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 P0328 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.

Need more information about the P0328 2004 Infiniti G35 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 P0328 2004 Infiniti G35 Code

1. What are the common symptoms of OBDII code P0328 on a 2004 Infiniti G35?

- Common symptoms include poor engine performance, engine knocking or pinging noises, reduced fuel efficiency, and the illumination of the Check Engine Light.

2. What does the OBDII code P0328 - Knock Sensor Circuit High Input - Bank 1 indicate on a 2004 Infiniti G35?

- This code indicates that the knock sensor in Bank 1 of the engine is detecting a high input signal, which can lead to engine performance issues.

3. What are the possible causes of OBDII code P0328 on a 2004 Infiniti G35?

- The code P0328 can be triggered by a faulty knock sensor, wiring issues in the knock sensor circuit, a damaged knock sensor connector, or engine mechanical problems causing false knock sensor readings.

4. How can I diagnose the cause of OBDII code P0328 on my 2004 Infiniti G35?

- Diagnosing the issue involves checking the knock sensor and its wiring for damage, testing the sensor's resistance, inspecting the connector for corrosion, and verifying proper sensor operation.

5. Can I continue driving my 2004 Infiniti G35 with OBDII code P0328 present?

- It is not recommended to ignore the code and continue driving, as it can lead to potential engine damage or decreased performance. It's best to address the issue promptly.

6. Is it possible to reset the OBDII code P0328 on a 2004 Infiniti G35 without fixing the underlying problem?

- Resetting the code without fixing the underlying issue will only temporarily turn off the Check Engine Light. The root cause should be identified and addressed to prevent further problems.

7. How can I repair OBDII code P0328 on my 2004 Infiniti G35?

- Repairing the code typically involves replacing the faulty knock sensor, repairing any damaged wiring or connectors, and clearing the code with a diagnostic tool.

8. Are there any tips to prevent OBDII code P0328 from recurring on a 2004 Infiniti G35?

- To prevent the code from recurring, it's essential to use high-quality fuel, maintain regular engine tune-ups, and address any engine performance issues promptly.

9. Can a DIY enthusiast fix OBDII code P0328 on a 2004 Infiniti G35?

- While some may attempt to fix the issue themselves, it's recommended to have a professional diagnose and repair the problem to ensure it is properly resolved.

10. How much does it cost to repair OBDII code P0328 on a 2004 Infiniti G35 at a mechanic or dealership?

- The cost of repairing the code can vary depending on the root cause, but it may range from $200 to $500 for parts and labor at a mechanic or dealership.