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P0339 Mitsubishi Code - Crankshaft Position Sensor Circuit Intermittent

Quick Answer

The P0339 diagnostic trouble code (DTC) for Mitsubishi vehicles refers to a potential issue with the Crankshaft Position Sensor Circuit Intermittent. Common causes include Loose or corroded wiring connections, Damaged wiring harness, Faulty crankshaft position sensor. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0339 Mitsubishi indicates Crankshaft Position Sensor Circuit Intermittent.
Common causes
Common causes include Loose or corroded wiring connections, Damaged wiring harness, Faulty crankshaft position sensor.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P0339 Mitsubishi Description

The P0339 diagnostic trouble code (DTC) for Mitsubishi vehicles refers to a potential issue with the Crankshaft Position Sensor Circuit Intermittent. The crankshaft position sensor is a vital component in the engine management system, as it monitors the position and speed of the crankshaft, providing crucial data to the engine control unit (ECU) for ignition timing and fuel injection. When this sensor circuit exhibits intermittent faults, it can lead to erratic engine performance, misfires, and potential stalling.

OBDII Code P0339 Mitsubishi - Crankshaft Position Sensor Circuit Intermittent
P0339 Mitsubishi Code - Crankshaft Position Sensor Circuit Intermittent

Common Causes of P0339 Mitsubishi

  1. Loose or corroded wiring connections
  2. Damaged wiring harness
  3. Faulty crankshaft position sensor
  4. ECU software issues
  5. Mechanical damage to the sensor

Symptoms of P0339 Mitsubishi

  1. Engine misfires
  2. Rough idling or stalling
  3. Decreased fuel efficiency
  4. Difficulty starting the engine
  5. Loss of power while driving

How to Fix P0339 Mitsubishi

  1. Start by conducting a visual inspection of the wiring harness and connections to the crankshaft position sensor. Look for any signs of damage, corrosion, or loose connections.
  2. Test the crankshaft position sensor using a multimeter to check for proper voltage and continuity. Replace the sensor if it fails the test.
  3. If the sensor is functioning correctly, inspect the wiring harness for any damage or shorts. Repair or replace any damaged wiring as needed.
  4. Clear the DTC from the ECU memory using an OBD-II scanner and test drive the vehicle to ensure that the issue has been resolved.
  5. If the problem persists, consider having a professional mechanic perform a more in-depth diagnosis to pinpoint the exact cause of the intermittent circuit fault.

Cost to Fix P0339 Mitsubishi

The cost of repairing a P0339 Crankshaft Position Sensor Circuit Intermittent code can vary depending on the specific cause of the issue and the cost of parts and labor in your area. On average, you can expect to pay between $100 to $300 for parts and labor. Keep in mind that diagnostic time and labor rates at auto repair shops can vary, so it's recommended to obtain quotes from multiple shops to find the best deal. Additionally, prices may be higher at dealerships or in metropolitan areas, while independent shops may offer more competitive rates.

What does this mean?

Tech Notes for P0339 Mitsubishi

Sometimes and in some models, low battery voltage or a weak starter can trigger a Crankshaft Position Sensor code. Before replacing any parts, recharge or replaced battery.

When is the Code Detected?

The crankshaft position sensor (POS) signal sent to the Electronic Control Module (ECM) is intermittent

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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 P0339 Mitsubishi Code

1. What are common symptoms of OBDII code P0339 in a Mitsubishi related to the Crankshaft Position Sensor Circuit Intermittent?

- Common symptoms include engine stalling, rough idling, difficulty starting the engine, and decreased fuel efficiency.

2. What are the possible causes of OBDII code P0339 in a Mitsubishi indicating a Crankshaft Position Sensor Circuit Intermittent issue?

- Possible causes include a faulty crankshaft position sensor, damaged wiring or connectors in the sensor circuit, or issues with the sensor's alignment or mounting.

3. How can I diagnose a P0339 trouble code related to the Crankshaft Position Sensor Circuit Intermittent in my Mitsubishi?

- Diagnose the code by checking the sensor's wiring and connectors for damage, testing the sensor's functionality, and verifying the sensor's alignment and mounting position.

4. What are the repair options for resolving OBDII code P0339 in a Mitsubishi due to a Crankshaft Position Sensor Circuit Intermittent problem?

- Repair options include replacing the faulty crankshaft position sensor, repairing damaged wiring or connectors, and ensuring proper alignment and mounting of the sensor.

5. Can a DIY enthusiast fix the OBDII code P0339 related to the Crankshaft Position Sensor Circuit Intermittent in a Mitsubishi?

- While some DIY enthusiasts may be able to replace the crankshaft position sensor themselves, diagnosing and repairing wiring or alignment issues may require professional assistance.

6. Are there any precautions to take when working on the Crankshaft Position Sensor Circuit in a Mitsubishi with OBDII code P0339?

- It is important to disconnect the vehicle's battery before working on the sensor circuit to avoid any electrical hazards or damage to the vehicle's electronic systems.

7. How critical is it to address OBDII code P0339 in a Mitsubishi indicating a Crankshaft Position Sensor Circuit Intermittent fault?

- Ignoring the code can lead to further engine performance issues, potential engine damage, and an increase in fuel consumption, so it is important to address the problem promptly.

8. Can a faulty crankshaft position sensor cause other OBDII trouble codes besides P0339 in a Mitsubishi?

- Yes, a faulty crankshaft position sensor can trigger other codes related to engine misfires, timing issues, or sensor circuit faults in addition to the P0339 code.

9. Is it safe to continue driving my Mitsubishi with OBDII code P0339 due to a Crankshaft Position Sensor Circuit Intermittent issue?

- It is not recommended to drive the vehicle with this issue as it can lead to engine performance problems and potential breakdowns, so it is advisable to address the problem as soon as possible.

10. How long does it typically take to repair OBDII code P0339 caused by a Crankshaft Position Sensor Circuit Intermittent issue in a Mitsubishi?

- The repair time can vary depending on the exact cause of the issue, but replacing the crankshaft position sensor or repairing wiring typically takes a few hours at a repair shop.

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