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P0328 2008 Nissan Pathfinder Code - Knock Sensor Circuit High Input- Bank 1

Quick Answer

The P0328 diagnostic trouble code (DTC) for a 2008 Nissan Pathfinder 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 damage to the knock sensor connector. 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 2008 Nissan Pathfinder 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 damage to the knock sensor connector.
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 2008 Nissan Pathfinder Description

The P0328 diagnostic trouble code (DTC) for a 2008 Nissan Pathfinder indicates a Knock Sensor Circuit High Input on Bank 1. This means that the engine control module (ECM) has detected a higher than normal voltage signal from the knock sensor located on Bank 1 of the engine. The knock sensor is responsible for detecting abnormal combustion in the engine, such as knocking or pinging, and sending a signal to the ECM to adjust the ignition timing to prevent engine damage.

OBDII Code P0328 2008 Nissan Pathfinder - Knock Sensor Circuit High Input- Bank 1
P0328 2008 Nissan Pathfinder Code - Knock Sensor Circuit High Input- Bank 1

Common Causes of P0328 2008 Nissan Pathfinder

  1. Faulty knock sensor
  2. Wiring issues or shorts in the knock sensor circuit
  3. Corrosion or damage to the knock sensor connector
  4. ECM malfunction or software issues
  5. Engine mechanical problems causing abnormal combustion

Symptoms of P0328 2008 Nissan Pathfinder

  1. Engine knocking or pinging noises
  2. Decreased engine performance
  3. Reduced fuel efficiency
  4. Rough idling or hesitation
  5. Illumination of the check engine light

How to Fix P0328 2008 Nissan Pathfinder

  1. Begin by diagnosing the specific cause of the high input signal on Bank 1 using a scan tool to read the DTC and perform a visual inspection of the knock sensor and wiring.
  2. Test the knock sensor using a multimeter to check for proper resistance and continuity.
  3. Inspect the wiring harness for any damage, corrosion, or shorts, and repair or replace as needed.
  4. Replace the knock sensor if it is found to be faulty or damaged.
  5. Clear the DTC from the ECM memory and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0328 2008 Nissan Pathfinder

The typical repair costs for addressing a P0328 code on a 2008 Nissan Pathfinder can range from $150 to $400, depending on the specific cause of the issue and the cost of parts and labor. It is important to note that diagnosis time and labor rates at auto repair shops can vary, with hourly rates typically ranging between $80 and $150. Rates may be higher at dealerships or in metropolitan areas, while independent shops may offer lower prices. For a more accurate estimate, it is recommended to inquire with local auto repair shops.

What does this mean?

Tech Notes for P0328 2008 Nissan Pathfinder

The P0327 code means that the Knock Sensor is not working properly. Problems with the knock sensor will not cause an engine performance problems for most models if you have any other codes fix those first before replacing the knock sensor.

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 2008 Nissan Pathfinder Code

1. What are the common symptoms of OBDII code P0328 in a 2008 Nissan Pathfinder?

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

2. What does the OBDII code P0328 "Knock Sensor Circuit High Input - Bank 1" mean for a 2008 Nissan Pathfinder?

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

3. What are some possible causes of OBDII code P0328 in a 2008 Nissan Pathfinder?

- Potential causes include a faulty knock sensor, wiring issues in the knock sensor circuit, engine timing problems, or a malfunctioning Engine Control Module (ECM).

4. How can I diagnose the OBDII code P0328 in my 2008 Nissan Pathfinder?

- Diagnosis typically involves checking the knock sensor and its wiring for damage, testing the sensor's resistance, and inspecting the engine for any timing issues.

5. Can I continue driving my 2008 Nissan Pathfinder with OBDII code P0328 active?

- It is not recommended to continue driving with this code active, as it can lead to engine damage and potentially more costly repairs if left unresolved.

6. How can I repair OBDII code P0328 in my 2008 Nissan Pathfinder?

- Repair options may include replacing the knock sensor, repairing damaged wiring, addressing engine timing issues, or reprogramming the ECM as needed.

7. Is it possible to reset the OBDII code P0328 in a 2008 Nissan Pathfinder without fixing the underlying issue?

- While you can clear the code with a diagnostic tool, it will likely reappear if the root cause of the problem is not addressed.

8. Are there any preventive maintenance tips to avoid OBDII code P0328 in a 2008 Nissan Pathfinder?

- Regularly inspecting and maintaining the engine components, including the knock sensor and wiring, can help prevent issues that trigger this code.

9. How much does it typically cost to repair OBDII code P0328 in a 2008 Nissan Pathfinder?

- The cost of repairs can vary depending on the specific cause of the code, but it may range from $200 to $500 or more, including parts and labor.

10. Can a DIY enthusiast with basic automotive knowledge fix OBDII code P0328 in a 2008 Nissan Pathfinder?

- Depending on the exact cause, some DIY enthusiasts may be able to replace the knock sensor or address wiring issues themselves, but more complex repairs may require professional assistance.

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