AutoCodes – Mitsubishi – P0326 Mitsubishi

P0326 Mitsubishi Code - Knock Sensor Circuit Performance Bank 1

Quick Answer

The Knock Sensor (KS) senses engine knocking (also known as detonation or pinging) using a piezoelectric element. 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: P0326 Mitsubishi indicates Knock Sensor Circuit Performance 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 3,801

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 Apr 16, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0326 Mitsubishi Description

The Knock Sensor (KS) senses engine knocking (also known as detonation or pinging) using a piezoelectric element. The sensor is attached to the cylinder block, cylinder head or intake manifold. 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). The ECM uses this signal to retard the ignition timing and protect the engine from this damaging pre-ignition.

OBDII Code P0326 Mitsubishi - Knock Sensor Circuit Performance Bank 1 - AutoCodes.com — P0326 Mitsubishi Code - Knock Sensor Circuit Performance Bank 1

What does this mean?

What are the Possible Causes of the DTC P0326 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 P0326 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 P0326 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 P0326 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 P0326 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 P0326 Mitsubishi Code

1. What are the common symptoms of OBDII code P0326 in a Mitsubishi related to the knock sensor circuit performance?

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

2. What could cause the OBDII code P0326 in a Mitsubishi related to the knock sensor circuit performance?

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

3. How does a malfunctioning knock sensor affect the engine in a Mitsubishi triggering code P0326?

- A malfunctioning knock sensor can lead to incorrect ignition timing, which may cause engine knocking, reduced power, and potential long-term engine damage if not addressed.

4. How can I diagnose the root cause of OBDII code P0326 related to the knock sensor circuit performance in my Mitsubishi?

- Diagnosing this code may involve testing the knock sensor, inspecting wiring for damage, checking connectors for corrosion, and scanning the ECM for related error codes.

5. Is it safe to continue driving my Mitsubishi with OBDII code P0326 related to the knock sensor circuit performance?

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

6. Can a DIY enthusiast repair OBDII code P0326 in a Mitsubishi related to the knock sensor circuit performance?

- While some basic troubleshooting like checking connectors and wiring can be done by DIYers, diagnosing and replacing the knock sensor itself may require specialized tools and expertise.

7. How long does it typically take to repair OBDII code P0326 in a Mitsubishi related to the knock sensor circuit performance?

- The repair time can vary depending on the exact cause of the issue. Simple fixes like reconnecting a loose wire may take minutes, while replacing a knock sensor could take an hour or more.

8. Are there any preventive maintenance steps to avoid OBDII code P0326 related to the knock sensor circuit performance in my Mitsubishi?

- Regular engine maintenance, using high-quality fuel, and avoiding harsh driving conditions can help prevent knock sensor issues that trigger this OBDII code.

9. Can resetting the OBDII system clear the P0326 code related to the knock sensor circuit performance in my Mitsubishi?

- Resetting the system may temporarily clear the code, but if the underlying issue (such as a faulty knock sensor) is not fixed, the code is likely to reappear after driving cycles.

10. What is the typical cost to repair OBDII code P0326 in a Mitsubishi related to the knock sensor circuit performance?

- Repair costs can vary depending on the cause of the issue, location, and labor rates. Replacing a knock sensor can range from $150 to $400, including parts and labor.