AutoCodes – Nissan – P0328 2003 Nissan Sentra

P0328 2003 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 2003 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 4,126

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 2003 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 2003 Nissan Sentra - Knock Sensor Circuit High Input- Bank 1 - AutoCodes.com — P0328 2003 Nissan Sentra Code - Knock Sensor Circuit High Input- Bank 1

What does this mean?

What are the Possible Causes of the DTC P0328 2003 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 2003 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 2003 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 2003 Nissan Sentra code?

Need more information on how to fix the P0328 2003 Nissan Sentra code? Get Access to Factory Service Manuals

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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 Sentra Code

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

Common symptoms include engine knocking or pinging noises, reduced engine performance, and potential illumination of the check engine light.

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

This code indicates that the knock sensor in bank 1 of the engine is detecting a higher-than-normal input signal, potentially due to a fault or issue.

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

Potential causes include a faulty knock sensor, damaged wiring or connectors in the knock sensor circuit, engine mechanical issues causing excessive knocking, or a problem with the Engine Control Module (ECM).

4. How can I diagnose the OBDII code P0328 in my 2003 Nissan Sentra?

Diagnosis typically involves inspecting the knock sensor and its wiring for damage, testing the sensor's resistance, checking for engine knocking issues, and using a scan tool to monitor sensor data.

5. Can I drive my 2003 Nissan Sentra with OBDII code P0328?

It is not recommended to drive the vehicle with this code unresolved, as it can lead to potential engine damage or performance issues. It's best to address the underlying problem promptly.

6. How can I repair OBDII code P0328 in a 2003 Nissan Sentra?

Repair options may include replacing the knock sensor, repairing damaged wiring or connectors, addressing any engine knocking issues, or reprogramming the ECM if necessary.

7. Is it possible to reset the OBDII code P0328 in a 2003 Nissan Sentra?

Resetting the code using a scan tool may temporarily turn off the check engine light, but it will not fix the underlying issue causing the code. The problem should be diagnosed and repaired first.

8. Can a DIY enthusiast address OBDII code P0328 in a 2003 Nissan Sentra?

Depending on their experience and tools available, a DIY enthusiast may be able to replace the knock sensor or perform basic checks on the wiring. However, more complex diagnostics may require professional assistance.

9. Will OBDII code P0328 cause permanent damage to my 2003 Nissan Sentra if left unrepaired?

Continued driving with this code unresolved can potentially lead to engine damage over time, especially if the underlying issue causing the high input signal is related to engine knocking or performance issues.

10. Is OBDII code P0328 a common issue in 2003 Nissan Sentras?

While not extremely common, issues with the knock sensor circuit leading to code P0328 can occur in 2003 Nissan Sentras, especially as the vehicle ages and components wear out.