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P0328 Mitsubishi Code - Knock Sensor Circuit High Bank 1

Quick Answer

The P0328 diagnostic trouble code (DTC) in a Mitsubishi vehicle indicates a problem with the Knock Sensor Circuit High Bank 1. Common causes include Faulty knock sensor, Damaged knock sensor wiring, Corrosion or poor connections in the circuit. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means
P0328 Mitsubishi indicates Knock Sensor Circuit High Bank 1.
Common causes
Common causes include Faulty knock sensor, Damaged knock sensor wiring, Corrosion or poor connections in the circuit.
Severity
Moderate - service should be scheduled soon.
Can I drive?
The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P0328 Mitsubishi Description

The P0328 diagnostic trouble code (DTC) in a Mitsubishi vehicle indicates a problem with the Knock Sensor Circuit High Bank 1. The knock sensor is a crucial component of the engine management system that detects abnormal combustion noises, commonly referred to as engine knock or detonation. When the knock sensor detects these noises, it sends signals to the engine control unit (ECU) to adjust the ignition timing and prevent engine damage.

OBDII Code P0328 Mitsubishi - Knock Sensor Circuit High Bank 1
P0328 Mitsubishi Code - Knock Sensor Circuit High Bank 1

Common Causes of P0328 Mitsubishi

  1. Faulty knock sensor
  2. Damaged knock sensor wiring
  3. Corrosion or poor connections in the circuit
  4. Issues with the engine control module
  5. Engine overheating

Symptoms of P0328 Mitsubishi

  1. Engine knocking or pinging noises
  2. Loss of engine power or acceleration
  3. Poor fuel efficiency
  4. Illuminated check engine light
  5. Rough idling or misfiring

How to Fix P0328 Mitsubishi

  1. Diagnose the issue by using a scan tool to read the DTC and verify the knock sensor's operation.
  2. Inspect the knock sensor wiring and connections for any damage or corrosion.
  3. Test the knock sensor using a multimeter to check for proper resistance values.
  4. Replace the knock sensor if it is found to be faulty or damaged.
  5. Clear the DTC and reset the ECU to ensure the code does not reappear after the repair.

Cost to Fix P0328 Mitsubishi

The typical repair costs for a Knock Sensor Circuit High Bank 1 issue in a Mitsubishi vehicle can range from $150 to $400, including parts and labor. However, it's important to note that actual costs may vary depending on the specific model of the vehicle, the location of the repair shop, and the extent of the damage. Additionally, diagnosis time and labor rates can impact the final repair bill, so it's recommended to consult with a trusted mechanic for a more accurate estimate.

What does this mean?

Tech Notes for P0328 Mitsubishi

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 Mitsubishi Code

1. What are the common symptoms of OBDII code P0328 (Knock Sensor Circuit High Bank 1) in a Mitsubishi?

- Common symptoms include reduced engine performance, engine knocking or pinging noises, and illuminated Check Engine Light.

2. What causes the OBDII code P0328 in a Mitsubishi related to the knock sensor circuit?

- The code P0328 is typically triggered by a faulty knock sensor, damaged wiring harness, or poor electrical connections in the knock sensor circuit.

3. How can I diagnose the issue causing OBDII code P0328 in my Mitsubishi?

- Diagnose the problem by inspecting the knock sensor and its wiring for any visible damage, testing the sensor's resistance, and checking for proper voltage and continuity in the circuit.

4. Can a faulty knock sensor cause other issues besides triggering the OBDII code P0328 in a Mitsubishi?

- Yes, a faulty knock sensor can lead to decreased fuel efficiency, engine performance issues, and potential long-term damage to the engine if left unresolved.

5. What are some repair tips for fixing OBDII code P0328 in a Mitsubishi due to a high knock sensor circuit?

- Repair tips include replacing the knock sensor, repairing or replacing damaged wiring, ensuring secure electrical connections, and clearing the code with an OBDII scanner.

6. Is it safe to continue driving a Mitsubishi with the OBDII code P0328 (Knock Sensor Circuit High Bank 1) illuminated?

- It is generally not recommended to continue driving with the code P0328 active, as it can lead to engine performance issues and potentially cause further damage over time.

7. Can resetting the OBDII code P0328 in a Mitsubishi temporarily fix the issue with the knock sensor circuit?

- Resetting the code may temporarily turn off the Check Engine Light, but if the underlying issue causing P0328 is not addressed, the code is likely to reappear.

8. How much does it typically cost to repair the knock sensor circuit issue triggering OBDII code P0328 in a Mitsubishi?

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

9. Are there any preventive measures to avoid encountering OBDII code P0328 due to a high knock sensor circuit in a Mitsubishi?

- Regular maintenance, such as checking the condition of the knock sensor and its wiring during tune-ups, can help prevent issues that lead to code P0328.

10. Can a DIY enthusiast with automotive knowledge fix the OBDII code P0328 related to the knock sensor circuit in a Mitsubishi?

- Depending on the skill level and access to tools, a DIY enthusiast may be able to replace the knock sensor or repair wiring issues causing code P0328, but professional diagnosis is recommended for accuracy.

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