AutoCodes – Nissan – P0328 2004 Nissan Sentra

P0328 2004 Nissan Sentra 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 Nissan Sentra 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 3,778

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 Nissan Sentra 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 Nissan Sentra - Knock Sensor Circuit High Input- Bank 1 - AutoCodes.com — P0328 2004 Nissan Sentra Code - Knock Sensor Circuit High Input- Bank 1

What does this mean?

What are the Possible Causes of the DTC P0328 2004 Nissan Sentra?

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 Nissan Sentra?

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 Nissan Sentra 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 Nissan Sentra code?

Need more information on how to fix the P0328 2004 Nissan Sentra code? Get Access to Factory Service Manuals

Need Help with the 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 Nissan Sentra Code

1. What are the common symptoms of OBDII code P0328 on a 2004 Nissan Sentra?

- Common symptoms include reduced engine power, engine knocking or pinging noises, and possible decrease in fuel efficiency.

2. What does the OBDII code P0328 "Knock Sensor Circuit High Input - Bank 1" mean for a 2004 Nissan Sentra?

- This code indicates that the knock sensor in bank 1 of the engine is detecting a high input signal, potentially causing engine performance issues.

3. What are some possible causes of OBDII code P0328 on a 2004 Nissan Sentra?

- Common causes include a faulty knock sensor, wiring issues in the knock sensor circuit, engine mechanical problems, or a damaged knock sensor connector.

4. How serious is OBDII code P0328 on a 2004 Nissan Sentra?

- While the vehicle may still be driveable with this code, it is important to address it promptly to prevent potential engine damage and ensure optimal performance.

5. Can I continue driving my 2004 Nissan Sentra with OBDII code P0328?

- It is not recommended to drive the vehicle extensively with this code as it can lead to poor engine performance and potentially cause further damage over time.

6. How can I diagnose and repair OBDII code P0328 on a 2004 Nissan Sentra?

- Diagnosis often involves testing the knock sensor and its circuit for faults, as well as inspecting related wiring and connectors. Repair may involve replacing the knock sensor or addressing wiring issues.

7. Is it possible to reset OBDII code P0328 on a 2004 Nissan Sentra?

- While you can clear the code with an OBDII scanner, it is crucial to address the underlying issue causing the code to prevent it from reoccurring.

8. Can a DIY enthusiast fix OBDII code P0328 on a 2004 Nissan Sentra?

- Depending on the level of expertise, a DIY enthusiast may be able to diagnose and replace the knock sensor or address wiring issues causing the code. However, professional help is recommended for more complex repairs.

9. How much does it cost to repair OBDII code P0328 on a 2004 Nissan Sentra?

- The cost of repair can vary based on the cause of the code and whether you do the repair yourself or seek professional help. It may involve expenses for parts, labor, and diagnostic services.

10. Will fixing OBDII code P0328 improve the performance of my 2004 Nissan Sentra?

- Yes, resolving OBDII code P0328 can lead to improved engine performance, smoother operation, and potentially better fuel efficiency in your 2004 Nissan Sentra.