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Engine-Codes – Nissan – P0328 2008 Nissan Altima Sedan

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

Quick Answer

The P0328 diagnostic trouble code (DTC) for a 2008 Nissan Altima Sedan refers to 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 2008 Nissan Altima Sedan 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 16, 2024
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Code P0328 2008 Nissan Altima Sedan Description

The P0328 diagnostic trouble code (DTC) for a 2008 Nissan Altima Sedan refers to a Knock Sensor Circuit High Input on Bank 1. This code indicates that the engine control module (ECM) has detected a higher than normal voltage signal from the knock sensor in the engine bank 1, which is typically the side of the engine where cylinder 1 is located. The knock sensor is a crucial component that detects abnormal combustion in the engine, such as knocking or pinging, and sends signals to the ECM to adjust the ignition timing accordingly.

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

Common Causes of P0328 2008 Nissan Altima Sedan

  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 actual knocking or pinging
  5. ECM software issues or malfunctions

Symptoms of P0328 2008 Nissan Altima Sedan

  1. Engine knocking or pinging noises
  2. Decreased engine performance
  3. Reduced fuel efficiency
  4. Illumination of the Check Engine Light
  5. Engine stalling or hesitation

How to Fix P0328 2008 Nissan Altima Sedan

  1. Begin by diagnosing the knock sensor circuit using a multimeter to check for proper voltage and continuity.
  2. Inspect the knock sensor and its wiring for any signs of damage, corrosion, or loose connections. Replace or repair as necessary.
  3. Clear the DTC from the ECM using a scan tool and test drive the vehicle to see if the code returns.
  4. If the code persists, consider replacing the knock sensor itself, ensuring proper installation and torque specifications.
  5. After replacing the knock sensor, clear the DTC again and retest the vehicle to verify that the issue has been resolved.

Cost to Fix P0328 2008 Nissan Altima Sedan

The cost of repairing a P0328 code on a 2008 Nissan Altima Sedan can vary depending on the specific cause of the issue. Typically, the cost of a new knock sensor ranges from $50 to $150, while labor costs can range from $100 to $300. Overall, the total repair cost could be anywhere from $150 to $450. It's important to note that labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate.

What does this mean?

Tech Notes for P0328 2008 Nissan Altima Sedan

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. If you have other codes along with the knock sensor code fix the other codes first and see if that fixes the knock sensor code also.

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 Altima Sedan Code

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

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

2. What does the OBDII code P0328 "Knock Sensor Circuit High Input- Bank 1" indicate in a 2008 Nissan Altima Sedan?

- 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 the P0328 code in a 2008 Nissan Altima Sedan?

- The common causes include a faulty knock sensor, wiring issues in the knock sensor circuit, or a problem with the engine control module (ECM).

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

- Diagnosing the code involves checking the condition of the knock sensor, inspecting the wiring for any damage, and testing the ECM for proper functionality.

5. Can I continue driving my 2008 Nissan Altima Sedan with the P0328 code present?

- It is not recommended to drive the vehicle with the P0328 code as it can lead to potential engine damage and decreased performance over time.

6. How can I repair the OBDII code P0328 in my 2008 Nissan Altima Sedan?

- Repairing the code typically involves replacing the faulty knock sensor, repairing any damaged wiring, and resetting the ECM to clear the code.

7. Is it possible to reset the OBDII code P0328 in a 2008 Nissan Altima Sedan without making any repairs?

- While clearing the code temporarily may be possible by resetting the ECM, it is important to address the underlying issue to prevent the code from reoccurring.

8. How much does it cost to repair the P0328 code in a 2008 Nissan Altima Sedan at a mechanic?

- The cost of repair can vary depending on the exact cause of the issue, but typically, replacing a knock sensor can range from $150 to $300 including parts and labor.

9. Can a DIY enthusiast fix the P0328 code in a 2008 Nissan Altima Sedan?

- If you have the necessary tools and experience working on cars, replacing a knock sensor or repairing wiring issues can be a DIY project. However, it is recommended to have some mechanical knowledge.

10. How often does the OBDII code P0328 occur in 2008 Nissan Altima Sedans?

- The P0328 code is not extremely common in 2008 Nissan Altima Sedans, but it can occur due to various factors such as age, mileage, and driving conditions.

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