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P0328 2003 Nissan Murano Code - Knock Sensor Circuit High Input- Bank 1

Quick Answer

The P0328 diagnostic trouble code (DTC) for a 2003 Nissan Murano indicates a Knock Sensor Circuit High Input on Bank 1. Common causes include Faulty knock sensor, Wiring issues or shorts in the knock sensor circuit, Corrosion or poor connections in the knock sensor wiring. 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 2003 Nissan Murano indicates Knock Sensor Circuit High Input- Bank 1.
Common causes
Common causes include Faulty knock sensor, Wiring issues or shorts in the knock sensor circuit, Corrosion or poor connections in the knock sensor wiring.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P0328 2003 Nissan Murano Description

The P0328 diagnostic trouble code (DTC) for a 2003 Nissan Murano indicates a Knock Sensor Circuit High Input on Bank 1. The knock sensor is a crucial component in the engine management system that detects abnormal vibrations or knocking in the engine. When the knock sensor detects these vibrations, it sends a signal to the engine control module (ECM) to adjust the ignition timing to prevent engine damage.

OBDII Code P0328 2003 Nissan Murano - Knock Sensor Circuit High Input- Bank 1
P0328 2003 Nissan Murano Code - Knock Sensor Circuit High Input- Bank 1

Common Causes of P0328 2003 Nissan Murano

  1. Faulty knock sensor
  2. Wiring issues or shorts in the knock sensor circuit
  3. Corrosion or poor connections in the knock sensor wiring
  4. Engine mechanical problems causing abnormal vibrations
  5. ECM malfunction or software issues

Symptoms of P0328 2003 Nissan Murano

  1. Engine knocking or pinging noises
  2. Decreased engine performance
  3. Reduced fuel efficiency
  4. Illuminated check engine light
  5. Engine misfires

How to Fix P0328 2003 Nissan Murano

  1. Diagnose the issue by using a scan tool to confirm the P0328 code and inspect the knock sensor and wiring for any visible damage.
  2. Test the knock sensor's resistance and voltage output to determine if it is functioning correctly.
  3. Replace the knock sensor if it is found to be faulty, ensuring proper installation and connection.
  4. Check and repair any damaged wiring or connections in the knock sensor circuit.
  5. Clear the DTC and test drive the vehicle to verify that the issue has been resolved.

Cost to Fix P0328 2003 Nissan Murano

The typical repair costs for addressing a P0328 code on a 2003 Nissan Murano can range from $150 to $400, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is recommended to inquire about local rates for a more accurate estimate. Auto repair shops commonly charge between $80 and $150 per hour, with rates potentially higher in metropolitan areas or at dealerships, and lower at independent shops.

What does this mean?

Tech Notes for P0328 2003 Nissan Murano

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.

When is the Code Detected?

An excessively high voltage from the sensor is sent to Electronic Control Module (ECM)

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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 2003 Nissan Murano Code

1. What are the common symptoms of OBDII code P0328 in a 2003 Nissan Murano?

- Common symptoms include reduced engine performance, engine knocking or pinging noises, and potentially decreased fuel efficiency.

2. What does the OBDII code P0328 "Knock Sensor Circuit High Input- Bank 1" mean for a 2003 Nissan Murano?

- This code indicates that the knock sensor in Bank 1 of the engine is detecting a high input signal, suggesting a potential issue with the sensor or the circuit.

3. What are the possible causes of OBDII code P0328 in a 2003 Nissan Murano?

- Possible causes include a faulty knock sensor, damaged wiring or connectors related to the knock sensor circuit, or issues with the engine control module (ECM).

4. How can I diagnose the cause of OBDII code P0328 in my 2003 Nissan Murano?

- A diagnostic scan tool can help identify the specific issue by providing data on the knock sensor's input signal, allowing you to pinpoint whether the problem lies with the sensor itself, the wiring, or the ECM.

5. Is it safe to continue driving my 2003 Nissan Murano with OBDII code P0328 present?

- It is generally not recommended to continue driving with this code, as it can lead to potential engine damage or poor performance if left unresolved.

6. Can I repair OBDII code P0328 in my 2003 Nissan Murano myself?

- While some DIY enthusiasts may attempt to address this issue, it is recommended to consult a professional mechanic for proper diagnosis and repair to ensure the problem is resolved correctly.

7. How much does it typically cost to repair OBDII code P0328 in a 2003 Nissan Murano?

- Repair costs can vary depending on the specific cause of the issue, but it may involve replacing the knock sensor, repairing wiring, or addressing ECM issues, with total expenses ranging from $200 to $600 or more.

8. Are there any preventive measures I can take to avoid OBDII code P0328 in my 2003 Nissan Murano?

- Regular maintenance, such as keeping the engine properly tuned and monitoring for unusual engine noises, can help prevent issues that could trigger this code.

9. Will resetting the OBDII code P0328 in my 2003 Nissan Murano make it go away permanently?

- Resetting the code without addressing the underlying issue will likely result in the code reappearing once the problem persists. It's crucial to diagnose and fix the root cause to prevent recurrence.

10. How long does it typically take to repair OBDII code P0328 in a 2003 Nissan Murano?

- The repair time can vary depending on the exact cause of the issue and the availability of parts. In general, it may take a few hours to a day for a qualified mechanic to diagnose and repair the knock sensor circuit problem.

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