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P0328 2007 Nissan Murano Code - Knock Sensor Circuit High Input- Bank 1

Quick Answer

The P0328 diagnostic trouble code (DTC) for a 2007 Nissan Murano indicates a Knock Sensor Circuit High Input in Bank 1. Common causes include Faulty Knock Sensor: The most common cause of a P0328 code is a malfunctioning knock sensor that is sending a high voltage signal to the ECM, Wiring Issues: Damaged or corroded wiring connecting the knock sensor to the ECM can result in a high input signal, Engine Mechanical Problems: Issues such as carbon buildup in the combustion chamber or a malfunctioning EGR valve can cause abnormal vibrations that trigger the knock sensor. 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 2007 Nissan Murano indicates Knock Sensor Circuit High Input- Bank 1.
Common causes
Common causes include Faulty Knock Sensor: The most common cause of a P0328 code is a malfunctioning knock sensor that is sending a high voltage signal to the ECM, Wiring Issues: Damaged or corroded wiring connecting the knock sensor to the ECM can result in a high input signal, Engine Mechanical Problems: Issues such as carbon buildup in the combustion chamber or a malfunctioning EGR valve can cause abnormal vibrations that trigger the knock sensor.
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 17, 2024
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Code P0328 2007 Nissan Murano Description

The P0328 diagnostic trouble code (DTC) for a 2007 Nissan Murano indicates a Knock Sensor Circuit High Input in Bank 1. This means that the engine control module (ECM) has detected a higher than normal voltage signal from the knock sensor in the first bank of the engine. The knock sensor is responsible for detecting abnormal vibrations or knocking in the engine, which can be caused by issues such as pre-ignition or detonation. When the knock sensor detects these abnormal vibrations, it sends a signal to the ECM to adjust the ignition timing to prevent engine damage.

OBDII Code P0328 2007 Nissan Murano - Knock Sensor Circuit High Input- Bank 1
P0328 2007 Nissan Murano Code - Knock Sensor Circuit High Input- Bank 1

Common Causes of P0328 2007 Nissan Murano

  1. Faulty Knock Sensor: The most common cause of a P0328 code is a malfunctioning knock sensor that is sending a high voltage signal to the ECM.
  2. Wiring Issues: Damaged or corroded wiring connecting the knock sensor to the ECM can result in a high input signal.
  3. Engine Mechanical Problems: Issues such as carbon buildup in the combustion chamber or a malfunctioning EGR valve can cause abnormal vibrations that trigger the knock sensor.
  4. ECM Malfunction: A faulty engine control module can misinterpret signals from the knock sensor, leading to a high input code.
  5. Poor Quality Fuel: Using low-quality fuel with a low octane rating can cause pre-ignition or detonation, triggering the knock sensor.

Symptoms of P0328 2007 Nissan Murano

  1. Check Engine Light: The most common symptom associated with a P0328 code is the illumination of the check engine light on the vehicle's dashboard.
  2. Engine Misfires: High input from the knock sensor can cause the engine to misfire, leading to rough idling or hesitation during acceleration.
  3. Reduced Power: The vehicle may experience a loss of power or decreased acceleration due to incorrect ignition timing adjustments.
  4. Poor Fuel Efficiency: An improperly functioning knock sensor can result in poor fuel efficiency as the engine may not be running optimally.
  5. Engine Knocking: In severe cases, the engine may produce knocking sounds, indicating potential internal damage.

How to Fix P0328 2007 Nissan Murano

  1. Diagnose the Issue: Use a scan tool to retrieve the trouble codes and perform a thorough inspection of the knock sensor and related wiring.
  2. Replace Knock Sensor: If the knock sensor is faulty, replace it with a new OEM sensor and ensure proper connection to the ECM.
  3. Repair Wiring: Inspect the wiring harness for any damage or corrosion and repair or replace as needed.
  4. Address Engine Mechanical Issues: Address any underlying engine problems that may be causing abnormal vibrations or knocking.
  5. Clear Codes and Test Drive: Clear the trouble codes from the ECM, reset the system, and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0328 2007 Nissan Murano

The cost of repairing a P0328 code on a 2007 Nissan Murano can vary depending on the specific cause of the issue and the labor rates in your area. Typically, the cost of replacing a knock sensor ranges from $150 to $300, while addressing wiring issues or engine mechanical problems can increase the total repair cost. In total, you can expect to pay anywhere from $200 to $500 for parts and labor. Keep in mind that diagnostic time and labor rates at auto repair shops can vary, so it's advisable to obtain quotes from multiple sources to get an accurate estimate.

What does this mean?

Tech Notes for P0328 2007 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 2007 Nissan Murano Code

1. What are the common symptoms of OBDII code P0328 on a 2007 Nissan Murano?

- The common symptoms include poor engine performance, reduced fuel efficiency, and potential engine knocking noises.

2. What does the OBDII code P0328 "Knock Sensor Circuit High Input - Bank 1" mean for a 2007 Nissan Murano?

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

3. What are the possible causes of OBDII code P0328 on a 2007 Nissan Murano?

- The potential causes include a faulty knock sensor, damaged wiring or connectors in the knock sensor circuit, engine overheating, or ECM (engine control module) issues.

4. How can I diagnose the OBDII code P0328 on my 2007 Nissan Murano?

- Diagnosing this code typically involves checking the knock sensor and its wiring for any damage, testing the sensor's resistance, and ensuring proper connections to the ECM.

5. Can driving with OBDII code P0328 on a 2007 Nissan Murano cause further damage?

- Continuing to drive with this code unresolved can potentially lead to engine damage, reduced fuel efficiency, and increased emissions.

6. How can I repair OBDII code P0328 on a 2007 Nissan Murano?

- Repair options include replacing the knock sensor, repairing or replacing damaged wiring, ensuring proper connections, and clearing the code using a scan tool.

7. Is it safe to reset the OBDII code P0328 on a 2007 Nissan Murano without addressing the underlying issue?

- Resetting the code without fixing the root cause may temporarily turn off the check engine light, but the underlying issue will persist and can lead to further problems.

8. Can a DIY enthusiast address OBDII code P0328 on a 2007 Nissan Murano?

- Depending on their skill level and access to tools, a DIY enthusiast may be able to replace the knock sensor or check for wiring issues, but complex diagnostics may require professional help.

9. How much does it typically cost to repair OBDII code P0328 on a 2007 Nissan Murano?

- The cost can vary depending on the specific repair needed, but it may range from $150 to $400 for parts and labor, with additional costs for diagnostic services if performed by a mechanic.

10. How important is it to address OBDII code P0328 promptly on a 2007 Nissan Murano?

- It is crucial to address this code promptly to prevent potential engine damage, ensure optimal performance, and maintain fuel efficiency in your Nissan Murano.

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