AutoCodes – Mitsubishi – P0333 Mitsubishi

P0333 Mitsubishi Code - Knock Sensor Circuit High Bank 2

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: P0333 Mitsubishi indicates Knock Sensor Circuit High Bank 2.
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 3,507

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
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0333 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 P0333 Mitsubishi - Knock Sensor Circuit High Bank 2 - AutoCodes.com — P0333 Mitsubishi Code - Knock Sensor Circuit High Bank 2

What does this mean?

What are the Possible Causes of the DTC P0333 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 P0333 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 P0333 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 P0333 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 P0333 Mitsubishi code?

Need more information on how to fix the P0333 Mitsubishi code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0333 Mitsubishi code diagnosed by a professional: Find a repair shop in your area

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 P0333 Mitsubishi Code

What does the OBDII code P0333 mean on a Mitsubishi?

P0333 indicates a "Knock Sensor Circuit High Input" on Bank 2, meaning the knock sensor is detecting a signal voltage that is higher than expected.

What are the common symptoms of code P0333 in a Mitsubishi?

Symptoms may include poor engine performance, reduced fuel efficiency, engine knocking or pinging, and the check engine light turning on.

What causes the P0333 code to appear in a Mitsubishi?

Common causes include a faulty knock sensor, damaged wiring or connectors, excessive engine vibration, or an issue with the engine control module (ECM).

Can I drive my Mitsubishi with the P0333 code active?

While the vehicle may still be drivable, itâ€™s not recommended as continued driving with this issue can lead to engine damage due to improper ignition timing or knocking.

How do I diagnose the P0333 code on a Mitsubishi?

Diagnosis typically involves checking the knock sensor and its wiring for damage, testing sensor voltage with a multimeter, and inspecting for engine vibration or misfires.

What is the knock sensor's role in a Mitsubishi engine?

The knock sensor detects engine knocking or pinging caused by abnormal combustion and sends signals to the ECM to adjust ignition timing.

How do you fix the P0333 code on a Mitsubishi?

Repairs may include replacing the knock sensor, repairing damaged wiring or connectors, addressing excessive engine vibration, or reprogramming the ECM if necessary.

How much does it cost to fix the P0333 code on a Mitsubishi?

The cost varies, but replacing a knock sensor typically ranges from $150 to $400, including parts and labor. Wiring repairs or ECM issues may increase costs.

Can a faulty knock sensor damage a Mitsubishi engine?

Yes, if left unaddressed, a faulty knock sensor can lead to prolonged engine knocking, potentially causing damage to pistons, cylinders, or other components.

What tools are needed to troubleshoot the P0333 code on a Mitsubishi?

Common tools include an OBDII scanner, a multimeter, and basic hand tools for accessing and inspecting the knock sensor and wiring.