P0328 2003 Infiniti G35 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 Infiniti G35 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.
Code P0328 2003 Infiniti G35 Description
What are the Possible Causes of the DTC P0328 2003 Infiniti G35?
- 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 Infiniti G35?
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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0328 2003 Infiniti G35 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.
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Frequently Asked Questions about P0328 2003 Infiniti G35 Code
1. What does the OBDII code P0328 mean on a 2003 Infiniti G35?
P0328 indicates a "Knock Sensor Circuit High Input - Bank 1," meaning the knock sensor is detecting an abnormally high voltage signal, often caused by a malfunction in the sensor or its circuit.
2. What are the symptoms of code P0328 on a 2003 Infiniti G35?
Common symptoms include reduced engine performance, poor fuel economy, potential engine knocking, and an illuminated Check Engine Light.
3. What causes the P0328 code on a 2003 Infiniti G35?
Causes can include a faulty knock sensor, damaged wiring or connectors, a short or open circuit, or a malfunctioning engine control module (ECM).
4. Can I drive my 2003 Infiniti G35 with a P0328 code?
While the car may still be drivable, prolonged operation with this code can lead to engine damage or reduced performance, so it’s best to address the issue promptly.
5. How do I fix the P0328 code on a 2003 Infiniti G35?
Repairs typically involve replacing the knock sensor, repairing damaged wiring or connectors, and ensuring proper grounding of the circuit.
6. Where is the knock sensor located on a 2003 Infiniti G35?
The knock sensor is typically located in the engine valley, beneath the intake manifold, on the engine block.
7. How much does it cost to fix the P0328 code on a 2003 Infiniti G35?
Replacing the knock sensor can cost between $300 and $600, including parts and labor, depending on the shop and location.
8. Can a bad knock sensor cause engine damage?
Yes, if the knock sensor fails, the engine may not detect knock properly, leading to potential pre-ignition or detonation, which can damage internal components over time.
9. Can a loose or corroded connector cause the P0328 code?
Yes, a loose or corroded knock sensor connector can disrupt the circuit and trigger the P0328 code.
10. Does clearing the P0328 code fix the problem on a 2003 Infiniti G35?
Clearing the code will turn off the Check Engine Light temporarily, but the underlying issue must be fixed to prevent the code from returning.
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