AutoCodes – Mitsubishi – P0327 Mitsubishi

P0327 Mitsubishi Code - Knock Sensor Circuit Low 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 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: P0327 Mitsubishi indicates Knock Sensor Circuit Low Bank 1.
Common causes: Common causes include Faulty knock sensor, Knock sensor circuit poor electrical connection, Knock sensor harness is open or shorted.
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.

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Code Popularity 12,682

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 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 P0327 Mitsubishi 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 P0327 Mitsubishi - Knock Sensor Circuit Low Bank 1 - AutoCodes.com — P0327 Mitsubishi Code - Knock Sensor Circuit Low Bank 1

What does this mean?

What are the Possible Causes of the DTC P0327 Mitsubishi?

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 P0327 Mitsubishi?

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 P0327 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 P0327 Mitsubishi 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 P0327 Mitsubishi code?

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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 P0327 Mitsubishi Code

1. What are the common symptoms of OBDII code P0327 related to the knock sensor circuit low in a Mitsubishi?

- Common symptoms include engine knocking noises, reduced engine performance, and illuminated check engine light.

2. What can cause the OBDII code P0327 in a Mitsubishi indicating a low knock sensor circuit on Bank 1?

- Possible causes include a faulty knock sensor, damaged wiring or connectors, or issues with the engine control module (ECM).

3. How does a malfunctioning knock sensor affect the engine performance in a Mitsubishi triggering the P0327 code?

- A malfunctioning knock sensor can lead to incorrect timing adjustments, which may result in decreased engine power, poor fuel efficiency, and potential engine damage.

4. What are some diagnostic steps to identify the root cause of the OBDII code P0327 in a Mitsubishi related to the knock sensor circuit low?

- Diagnostic steps may involve checking the knock sensor's wiring and connections, testing the sensor's resistance, and inspecting the ECM for any faults.

5. Is it safe to continue driving a Mitsubishi with the OBDII code P0327 indicating a low knock sensor circuit on Bank 1?

- It is not recommended to drive the vehicle with this code present, as it can lead to engine performance issues and potential long-term damage.

6. Can a DIY enthusiast repair the OBDII code P0327 in a Mitsubishi caused by a low knock sensor circuit?

- While some repairs like checking and cleaning connections can be done by DIY enthusiasts, diagnosing and replacing the knock sensor may require professional expertise.

7. How much can it cost to repair the OBDII code P0327 in a Mitsubishi due to a low knock sensor circuit on Bank 1?

- The cost of repairs can vary depending on the root cause, but it may involve replacing the knock sensor, repairing wiring, or addressing ECM issues, which can range from moderate to significant expenses.

8. Are there any preventive measures to avoid the recurrence of the OBDII code P0327 related to the knock sensor circuit low in a Mitsubishi?

- Regular maintenance, prompt addressing of engine performance issues, and avoiding rough driving conditions can help prevent the recurrence of knock sensor-related problems.

9. Can resetting the check engine light resolve the OBDII code P0327 in a Mitsubishi without addressing the underlying issue?

- Resetting the check engine light may temporarily clear the code, but if the underlying issue with the knock sensor circuit remains unresolved, the code is likely to reappear.

10. Is it necessary to have the OBDII code P0327 in a Mitsubishi professionally cleared after repairing the knock sensor circuit issue?

- It is recommended to have the code cleared by a professional or using an OBDII scanner after repairing the knock sensor circuit to ensure the system registers the fix and the check engine light remains off.